Stanford University
Showing 11,401-11,500 of 34,346 Results
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Stephanie Harman
Clinical Professor, Medicine - Primary Care and Population Health
BioDr. Stephanie Harman is a palliative care physician and Clinical Professor of Medicine. She graduated from Case Western Reserve University School of Medicine and went on to complete a residency in Internal Medicine at Stanford and a Palliative Care fellowship at the Palo Alto VA/Stanford program. She then joined the faculty at Stanford. She co-founded the Palliative Care Program at Stanford Health Care in 2007 and served as Clinical Chief of the Section of Palliative Care in the Division of Primary Care and Population Health from 2016 - 2022. She was the inaugural Associate Chair for Women in Medicine for the Department of Medicine and is now the Associate Chair for Faculty Engagement and Leadership Development. She is Director of the Stanford Leadership Development Program, a joint program between Stanford Health Care and the School of Medicine for emerging leaders. A 2017 Cambia Health Foundation Sojourns Scholar Leader Awardee, she has a passion for leadership development and faculty engagement; she has built multiple programs to support the careers of women leaders in academic medicine, both locally and nationally. Her other professional interests include clinical ethics and serious illness communication.
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Mike Harmon
Lecturer, Graduate School of Business - Academic Administration
BioMike Harmon is the Managing Partner of Gaviota Advisors, LLC, in Manhattan Beach, CA, where he advises and invests in small to medium sized companies. Prior to that, he spent 21 years as an investment professional in the Special Situations and Global Principal Groups at Oaktree Capital Management in Los Angeles. There he executed private equity and special situations transactions involving over 50 companies. Prior to that, Mr. Harmon held positions with CS First Boston, Price Waterhouse, and Society Corporation. Over the course of his career, Mr. Harmon has served as a member of the Board of Directors for 20 organizations in a broad range of industries and causes. He currently serves as a Board member for KCRW Radio, a non-profit media organization based in Santa Monica. He also serves as a Lecturer at Stanford Graduate School of Business and a Guest Lecturer at Harvard Business School in the areas of private equity, negotiation, and financial restructuring. He holds an M.B.A., with distinction, from Harvard Business School and a B.A., with distinction, in Economics from McGill University.
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Keren Haroush
Assistant Professor of Neurobiology
Current Research and Scholarly InterestsOur laboratory studies the mechanisms by which highly complex behaviors are mediated at the neuronal level, mainly focusing on the example of dynamic social interactions and the neural circuits that drive them. From dyadic interactions to group dynamics and collective decision making, the lab seeks a mechanistic understanding for the fundamental building blocks of societies, such as cooperation, empathy, fairness and reciprocity.
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George Harpur
Graduate, Medicine, Radiology
BioGeorge Harpur is a Ph.D. student, joining Prof Daniel Ennis’ lab as a visiting graduate researcher in July 2026. His work focuses on developing methods for measuring cardiac strains from advanced magnetic resonance imaging (MRI), namely DENSE, and assessing their use in the diagnosis and prognosis of subclinical heart disease. This involves incorporating finite element and machine learning/deep learning methods, increasing the potential of advanced MRI techniques in clinical protocols.
George Harpur is a member of the Heart Mechanics Research Group at the Auckland Bioengineering Institute, University of Auckland, New Zealand. -
Ciara Harraher, MD
Clinical Professor, Neurosurgery
Current Research and Scholarly InterestsI am interested in medical education and I am an Associate in the Practice of Medicine and doctoring with CARE ( E4C) Program. I am also interested in surgical outcomes research and I am involved in clinical trials studying brain tumors and stroke. I have also presented internationally on issues related to improving diversity in Neurosurgery.
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Daniel Harrington
Research Technical Manager 3, Stanford Synchrotron Radiation Lightsource
Current Role at StanfordBeam Line Systems Division Director at the Stanford Synchrotron Radiation Lightsource
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Anthony Harris
Postdoctoral Scholar, Genetics
BioAnthony Harris is a postdoctoral fellow in the Department of Genetics at Stanford School of Medicine, where he investigates the organization and function of the genome during cellular development. His research focuses on uncovering fundamental principles of chromosome structure, cellular differentiation, and genome stability. By combining experimental molecular biology, computational modeling, and third generation sequencing technologies, Dr. Harris aims to elucidate the mechanisms that shape chromatin architecture and direct genome maintenance. His interdisciplinary approach integrates cutting-edge quantitative analysis with traditional molecular techniques to advance understanding of the relationship between cellular organization and disease.
Dr. Harris has developed computational tools for genomic data analysis and applies data-driven strategies to study chromatin structure and gene regulation. His work has been published in leading journals, including EMBO Journal, Genetics, and Developmental Cell, with projects spanning meiosis regulation, transcriptional control, and genome integrity. These experiences reflect his commitment to understanding how chromatin organization and gene expression guide cell fate and function.
Dr. Harris earned his Bachelor of Science in Biochemistry from the University of Minnesota and his Ph.D. in Molecular and Cellular Biology from the University of California, Berkeley. He brings expertise in data analysis, computational biology, scientific writing, and collaborative research. His broad training spans biochemistry, cell biology, microbiology, genetics, and computational genomics. -
E. John Harris Jr.
Professor of Surgery (Vascular), Emeritus
Current Research and Scholarly InterestsI am interested in thrombosis and the role of thrombin and its receptor in venous wall remodeling following venous thrombosis. I am also interested in vascular hemodynamics and the use of ultrasound, MRI and computational modeling in evaluating arterial flow in exercise conditions.
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James Harris
James and Elenor Chesebrough Professor in the School of Engineering, Emeritus
Current Research and Scholarly InterestsResearch interests have been in the areas of new electronic and optoelectronic device structures created by heterojunctions, quantum wells, superlattices and nanostructured materials. Molecular Beam Epitaxy (MBE) has been the foundation to prepare nanostructured metastable materials with atomic layer control and dimensions smaller than the wavelength of electrons. In this regime, quantum size effects can be utilized to create entirely new device structures based upon tailored transitions between quantum states and tunneling between states and structures. Past two decades focused on MBE growth of novel optoelectronic materials (GaInNAsSb) for long wavelength lasers and solar cells; quantum well structures for surface emitting lasers with power and bandwidth demands of AI now driving 10,000 element VCSEL arrays for optical interconnect; integrated nanophotonic structures for laser driven dielectric electron accelerators and free electron lasers (FEL) on a wafer for medical imagining systems; high speed optical modulators and non-linear optical effects for generation, control and application of ultra-short optical pulses; ultra-high efficiency multi-bandgap solar cells; world record solar to hydrogen conversion with water splitting; Si based photonic devices, including single photon avalanche detector (SPAD) for range finding and autonomous vehicles; implantable retina prosthesis with first human response in phase 1 human trials, 12/17.
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Jerry Harris
The Cecil H. and Ida M. Green Professor in Geophysics, Emeritus
Current Research and Scholarly InterestsBiographical Information
Jerry M. Harris is the Cecil and Ida Green Professor of Geophysics and Associate Dean for the Office of Multicultural Affairs. He joined Stanford in 1988 following 11 years in private industry. He served five years as Geophysics department chair, was the Founding Director of the Stanford Center for Computational Earth and Environmental Science (CEES), and co-launched Stanford's Global Climate and Energy Project (GCEP). Graduates from Jerry's research group, the Stanford Wave Physics Lab, work in private industry, government labs, and universities.
Research
My research interests address the physics and dynamics of seismic and electromagnetic waves in complex media. My approach to these problems includes theory, numerical simulation, laboratory methods, and the analysis of field data. My group, collectively known as the Stanford Wave Physics Laboratory, specializes on high frequency borehole methods and low frequency labratory methods. We apply this research to the characterization and monitoring of petroleum and CO2 storage reservoirs.
Teaching
I teach courses on waves phenomena for borehole geophysics and tomography. I recently introduced and co-taught a new course on computational geosciences.
Professional Activities
I was the First Vice President of the Society of Exploration Geophysicists in 2003-04, and have served as the Distinguished Lecturer for the SPE, SEG, and AAPG. -
Elizabeth Finlayson Harris
Ph.D. Student in Education, admitted Autumn 2023
BioElizabeth Finlayson Harris is a PhD student in Curriculum and Teacher Education at Stanford University, specializing in science, engineering, and technology education with a minor in Feminist, Gender, and Sexuality Studies. Her research examines epistemology, affect, and feminist perspectives in science education, with particular attention to pre-service teacher learning. She has published in Science Education, Emotion, Space and Society, and Studying Teacher Education, and her current projects explore humor, laughter, and epistemic affect in science classrooms. A former high school physics teacher and instructional designer, Liz brings a commitment to equity, joy, and critical inquiry in both her teaching and scholarship.
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Odette Harris, MD, MPH
Paralyzed Veterans of America Professor of Spinal Cord Injury Medicine
Current Research and Scholarly InterestsTraumatic brain injury with a focus on epidemiology and outcomes.
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Sean Edmund Harris, MB BCh BAO
Clinical Assistant Professor, Surgery - Vascular Surgery
BioDr. Sean Edmund Harris is a board-certified vascular surgeon with Stanford Health Care Vascular and Endovascular Care. He is also an assistant professor in the Department of Surgery, Division of Vascular Surgery at Stanford University School of Medicine.
Dr. Harris specializes in creating and maintaining dialysis access, working closely with nephrologists to provide complex kidney disease care. His other interests include venous disease management and endovascular management of aortic and peripheral vascular diseases. As a physician-researcher, Dr. Harris has traveled around the world and brings extensive and diverse vascular education back to his patients. He also understands the needs of the local community as a San Francisco Bay Area native.
Dr. Harris has published his findings in several peer-reviewed journals, including Annals of Vascular Surgery, the Journal of the American College of Surgeons, the Journal of Vascular Surgery, and the Journal of Thoracic and Cardiovascular Surgery. He has also shared his expertise globally, presenting leading-edge vascular surgery research at prominent conferences of the Society for Vascular Surgery (SVS), the European Society for Vascular Surgery, and the International Aortic Summit.
Dr. Harris is a member of the New England Society for Vascular Surgery and the SVS. -
Stephen E. Harris
Kenneth and Barbara Oshman Professor in the School of Engineering and Professor of Applied Physics, Emeritus
BioHarris' interests include lasers, quantum electronics, atomic physics, and nonlinear optics.
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Kelly Harrison
Lecturer, School of Engineering - Technical Communications Program
Current Research and Scholarly InterestsCollaboration in science
Transit of Venus
Discovery of Neptune
Sociology, history, philosophy of science and technology
Science, Technology, and Society (Science Studies) -
Natasha Harrison
Biostatistician 2, Anesthesiology, Perioperative and Pain Medicine
BioBiostatistician at SOM.
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Robert Harrison
Rosina Pierotti Professor of Italian Literature, Emeritus
BioProfessor Harrison received his doctorate in Romance Studies from Cornell University in 1984, with a dissertation on Dante's Vita Nuova. In 1985 he accepted a visiting assistant professorship in the Department of French and Italian at Stanford. In 1986 he joined the faculty as an assistant professor. He was granted tenure in 1992 and was promoted to full professor in 1995. In 1997 Stanford offered him the Rosina Pierotti Chair of Italian Literature. In 2002, he was named chair of the Department of French and Italian. In 2006 he became a member of the American Academy of Arts & Sciences. In 2014 he was knighted "Chevalier" by the French Republic. He is also lead guitarist for the cerebral rock band Glass Wave.
Professor Harrison's first book, The Body of Beatrice, was published by Johns Hopkins University Press in 1988. The Body of Beatrice was translated into Japanese in 1994. Over the next few years Professor Harrison worked on his next book, Forests: The Shadow of Civilization, which appeared in 1992 with University of Chicago Press. This book deals with the multiple and complex ways in which the Western imagination has symbolized, represented, and conceived of forests, primarily in literature, religion, and mythology. It offers a select history that begins in antiquity and ends in our own time. Forests appeared simultaneously in English, French, Italian, and German. It subsequently appeared in Japanese and Korean as well. In 1994 his book Rome, la Pluie: A Quoi Bon Littérature? appeared in France, Italy, and Germany. This book is written in the form of dialogues between two characters and deals with various topics such as art restoration, the vocation of literature, and the place of the dead in contemporary society. Professor Harrison's next book, The Dominion of the Dead, published in 2003 by University of Chicago Press, deals with the relations the living maintain with the dead in diverse secular realms. This book was translated into German, French and Italian. Professor Harrison's book Gardens: An Essay on the Human Condition appeared in 2008 with the University of Chicago Press, and in French with Le Pommier (subsequently appeared in German and Chinese translations). His most recent book Juvenescence: A Cultural History of Our Age came out in 2014 with Chicago University Press. In 2005 Harrison started a literary talk show on KZSU radio called "Entitled Opinions." The show features hour long conversations with a variety of scholars, writers, and scientists. -
Stephen Harrison
Senior Lecturer in Music
BioStudied with George Neikrug, Andor Toth, Jr., Margaret Rowell, Eugene Lehner.
Artistic Director, Ives Collective (2015-)
Founding member, Ives String Quartet. Cellist (1998-2015)
Founding member, Stanford String Quartet (1983-1997).
Solo cellist, San Francisco Contemporary Music Players.
Former principal, the Chamber Symphony of San Francisco, New England Chamber Orchestra, The Opera Company of Boston.
Principal cellist, Mendocino Music Festival; Faculty coach, Emerging Artists Program, Mendocino Music Festival
Faculty member, SoCal Chamber Music Workshop
Cellist, Telluride Chamber Music Festival
Former faculty/cellist at the Rocky Ridge Music Center, Centrum/Port Townsend (WA),
Recordings for CRI, Laurel Records, New Albion, AIX Entertainment, Delos, Centaur, and Music and Arts Recordings of America. -
T. Kyle Harrison, MD
Staff, Anesthesia - Adult Pain Medicine
Clinical Professor (Affiliated), Multispecialty AnesthesiologyBioDr. T. Kyle Harrison is a Clinical Professor (Affiliated- PAVA) of Anesthesiology, Perioperative and Pain Medicine at Stanford University and a staff physician at the VA Palo Alto. He is board certified in both Anesthesiology and Addiction Medicine. He earned his MD and did his residency training in anesthesiology at Stanford University. He completed a medical education and simulation fellowship at Stanford and then obtained additional training in addiction medicine at both Stanford and the VA Palo Alto. He is interested in the intersection of pain and addiction. He co directs the Transitional Pain Clinic at the VA Palo Alto. He attends on both the acute pain service as well as the addiction medicine clinic at the VA Palo Alto. His academic interest include addiction, pain, peri operative management of buprenorphine, transitional pain, conversion of acute to chronic pain, and medical simulation. His email is kyle.harrison@stanford.edu and his twitter handle is @KyleHarrisonMD.
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Bard Harstad
David S. Lobel Professor in Business and Sustainability, Professor of Environmental Social Sciences, Senior Fellow at the Stanford Institute for Economic Policy Research and Professor, by courtesy, of Economics
BioWith a PhD from Stockholm University, Harstad taught at Kellogg School of Management, Northwestern University, 2004-2012, and then at the University of Oslo 2012-2023, before joining the GSB in 2023. His fields include political economics, environmental economics, and applied theory. Specific research projects include the design of international agreements, trade agreements and climate agreements, supply-side environmental policies, and policies that motivate environmental conservation and reducing deforestation.
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Leslie Hart
Bing Music Specialist, Bing Nursery School
Current Role at StanfordMusic Specialist
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Geoffrey Hart-Cooper
Clinical Associate Professor, Pediatrics - General Pediatrics
Current Research and Scholarly InterestsDr. Hart-Cooper's research focuses on youth provider barriers and education surrounding pre-exposure prophylaxis for HIV (PrEP). He founded the Virtual PrEP Program for Adolescents and Young Adults at Stanford to improve access to PrEP care for youth within California. In his current role, he advises health departments and health systems in creating youth-focused telehealth tools to improve youth access to PrEP.
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Seamus Harte
Lecturer, d.school
BioSeamus Yu Harte is the the Head of Learning Experience Design for the Electives Program at the Hasso Plattner Institute of Design (aka the d.school) and the founder of Only People, a learning experience design studio based inspired by the art & activism of John Lennon & Yoko Ono. From Yoko Ono to David Kelley, Seamus has had the opportunity to teach and learn with world-class creatives. He holds a BS in Sound Design from SAE and a MFA in Documentary Film + Video from Stanford University where he also received Fellowships from The Stanford Institute for Creativity and the Arts (SiCA) and The San Francisco Foundation.
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Phillip M. Harter, M.D.
Associate Professor (Teaching) of Emergency Medicine, Emeritus
Current Research and Scholarly InterestsMedical Education, particularly the role of simulation (part-task trainers, human patient simulators and virtual reality) in the education of medical students and residents. Also, the use of the internet for distance learning in health care professions.
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Eric Hartge
Research Development Manager, Center for Ocean Solutions
BioEric Hartge joined the Stanford Center for Ocean Solutions as a research and curriculum development intern in November 2010 before becoming a research analyst in July 2011 and then the senior research analyst in November 2013. In the summer of 2015 he was promoted to Research Development Manager. He specializes in organizational management and project portfolio development.
Eric previously worked with the Chesapeake Bay Foundation as the Education Program Manager for Baltimore Harbor with a focus on the human impact on the water quality and fisheries of the Chesapeake Bay. This followed extensive experience in environmental education in the Leeward Islands, Mexico, Costa Rica and Hawai’i. He also gained enough sea time aboard research ships with the Sea Education Association to earn a USCG Near Coastal Master's and Ocean Mate's License.
Eric also engages in intermittent student coursework through designing, coordinating, and teaching courses such as Oceans By Design with the Stanford School of Design, Outlaw Ocean Policy Practicum with Stanford Law School, and the Blue Foods for Indonesia Action Lab with Stanford Law School and Stanford’s Human and Planetary Health Initiative. His current programmatic work includes the role of Project Manager for a Global Environment Facility International Waters Project on Strengthening and Enabling the Micronesia Challenge 2030.
Eric received his M.S. in environmental sciences and policy from Johns Hopkins University and his B.S. in marine biology from the College of Charleston. His professional and academic experience includes estuarine science, natural resource management, stakeholder engagement, project management, portfolio management, environmental education, decision analysis, data visualization, grant writing, project portfolio management and environmental education. Eric holds certificates in Advanced Project Management, Strategic Decision and Risk Management, and Decision-Making for Climate Change. -
Christy Hartman
Adm Svcs Admstr 1, School of Medicine - Biomedical Ethics
Current Role at StanfordProgram Manager, Medical Humanities and the Arts Program
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Gary E Hartman, MD, MBA
Clinical Professor Emeritus, Surgery - Pediatric Surgery
Current Research and Scholarly InterestsMinimal Access and Robotic Surgery
Neonatal Surgery
Childhood Oncology -
Alica Hartmann
Affiliate, Pediatrics - Neonatology
Visiting Postdoctoral Scholar, Pediatrics - NeonatologyBioAlica Hartmann is a postdoctoral researcher at the University Medical Center Mainz, Germany, with a background in public health, ophthalmology, and population-based epidemiology. Her work focuses on early-life risk factors and their long-term health consequences, with a particular interest in preterm birth, fetal growth restriction, and sex-specific differences in health outcomes. During her visiting research stay at Stanford, she will join the Department of Pediatrics to further develop her work in perinatal epidemiology.
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Mary Elizabeth Hartnett, MD
Michael F. Marmor, M.D. Professor of Retinal Science and Disease and Professor of Ophthalmology
BioMary Elizabeth Hartnett, MD, is the Michael F. Marmor, M.D. Professor in Retinal Science and Diseases and is a Professor of Ophthalmology at Stanford University. Dr. Hartnett is the director of Pediatric Retina at Stanford University and principal investigator of a retinal angiogenesis laboratory, in which she studies causes and treatments for diseases including retinopathy of prematurity and age-related macular degeneration. She created the first-ever academic textbook on the subject, Pediatric Retina, in its third edition, which has proven to be an invaluable resource for residents and ophthalmologists internationally.
Dr. Hartnett’s NIH-funded laboratory of vascular biology and angiogenesis has studied mechanisms causing pathology in age-related macular degeneration (AMD) and retinopathy of prematurity (ROP). Her work in AMD has been to understand the mechanisms involved in activation and invasion of choroidal endothelial cells anterior to the RPE in order to maintain vasculature that is physiologic and not damaging beneath the RPE. Her lab has elucidated environmental stressors that lead to scarring in the macula for which no vision improvement is currently possible. The goal is to find methods to prevent the scarring.
Her lab’s work in ROP provided the proof of concept to regulate an angiogenic signaling pathway by inhibiting VEGF to facilitate intraretinal neovascularization as well as to inhibit abnormal extraretinal neovascularization and reduce retinal destruction used in previous treatments. Her work has been translated through clinical trials to lead to new treatments for severe ROP and has represented a paradigm shift in the understanding and treatment of severe ROP.
Dr. Hartnett has received numerous awards, including the Weisenfeld Award, the highest award for clinician-scientists given by the Association for Research in Vision and Ophthalmology (ARVO), in 2018, and is an ARVO Gold Fellow. She received the 2019 Paul Kayser/Retina Research Foundation Global Award, the Macula Society’s 2016 Paul Henkind Award and its 2019 Arnall Patz Medal, the Paul Kayser/RRF Global Award from the PanAmerica Society, and the 2021 Suzanne Veronneau-Troutman Award, the most prestigious award from Women in Ophthalmology. In 2022, she was one of six at the University of Utah to receive a distinguished research award, for Pediatrics and Ophthalmology. In recognition of her lifetime contributions, she was inducted into the Retina Hall of Fame and was elected to the Association of American Physicians in 2025.
Dr. Hartnett's prolific publication record includes 295 articles in peer-reviewed journals and over 40 book chapters. She has delivered numerous national and international invited lectures. Her long list of professional committee work includes serving as chair of the Publications Committee of ARVO, as a mentor for the ARVO Leadership Development Program, and in leadership positions internationally as the Treasurer for The Macula Society and the Chair of the Jack McGovern Coats Disease Foundation as well as the Credentialing Committee for The Retina Society. She reviews manuscripts for more than 20 eye and science journals and serves on the editorial boards of PlosOne, Molecular Vision, and the American Journal of Ophthalmology. Dr. Hartnett is a Fellow of the American College of Surgeons (FACS) and a Silver and Gold Fellow of the Association for Research in Vision and Ophthalmology (FARVO). -
Sean Hartnoll
Principal Investigator, Stanford Institute for Materials and Energy Sciences
BioI am a theorist working on problems in gravitational, high energy and condensed matter physics. In recent years the holographic correspondence, the physics of quantum entanglement and quantum field theory more generally have led to strong connections between central concerns in these different fields.
For example, I am interested in understanding the emergence of spacetime from large N matrix quantum mechanics models. These can be thought of as the simplest models of holographic duality, and will likely hold the key to understanding the emergence of local physics as well as black holes. The most basic object in these theories is the ground state wavefunction. Understanding this wavefunction is a many-body problem and I am interested in using modern ideas from condensed matter theory -- such as topological order -- to characterize it.
Another example has to do with dissipation. How quickly can a quantum mechanical system thermalize itself? From this perspective, there are remarkable similarities between strongly quantum mechanical systems such as the quark-gluon plasma and high temperature superconductors and the dynamics of black holes in classical gravity. This may suggest that a fundamental limitation imposed by quantum statistical mechanics is at work in these systems. I have pursued this possibility from many angles, including variational principles for entropy production, the Lieb-Robinson bound on velocities in quantum systems and bounds on the magnitude of quantum fluctuations near thermal equilibrium.
In parallel to a ''bird's eye'' approach to quantum statistical mechanics, I am also increasingly interested in specific scattering mechanisms in unconventional materials that may give a relatively simple explanation of transport behavior that has otherwise been considered anomalous --- using this approach my collaborators and I have 'demystified' aspects of transport in quantum critical ruthenate materials. I am currently interested, for example, in the role of phonons in strongly correlated electronic systems.
I have recently worked on black hole interiors in classical gravity. Black hole interiors are extremely rich mathematically, but their physical interpretation -- for example in a holographic context -- remains obscure. To start to address this question I have shown how important dynamics of the interior, such as the instability of the singularity and of Cauchy horizons, can be triggered in a relatively simple holographic setting.
Lists of my publications and of recorded talks and lectures can be found following the links on the right. -
Stella Hartono
Clinical Assistant Professor, Medicine - Pulmonary, Allergy & Critical Care Medicine
BioStella Hartono, MD PhD is a board-certified allergy/immunology physician and clinical researcher. She specializes in diagnosing and treating immunology and allergic conditions, with a focus on immunodeficiency, immune dysregulation, hyper eosinophilia, and pet allergies.
Dr. Hartono’s clinical research focuses on the role of age-associated B cells in vaccine response and the aging immune system. She is also interested in improving diagnosis and treatment options for patients with CVID (common variable immunodeficiency) and SAD (specific antibody deficiency). She has published her original research in peer-reviewed scientific journals and presented at national conferences, including annual meetings for the Clinical Immunology Society and the American Academy of Asthma, Allergy, and Immunology, as well as international conferences, including annual meeting for the European Academy of Allergy and Clinical Immunology. Dr. Hartono is a member of the American Academy of Asthma, Allergy, and Immunology, the Clinical Immunology Society, and the American College of Allergy, Asthma, and Immunology. -
Grant Hartung
Affiliate, Rad/Radiological Sciences Laboratory
BioMy research includes developing custom mathematical models and algorithms to comprehensively simulate the biophysics underlying brain dynamics. These models are then used to simulate the detailed blood flow, volume, and oxygenation changes that accompany neural activity with a focus on detailed, realistic microvascular geometry to predict the impact of hemodynamic states and vascular structure on fMRI signals (for BOLD and non-BOLD sequences). This interdisciplinary work includes advances in mathematics, biophysics, neuroscience, and computer science to enable simulations of vascular structures orders of magnitude larger than previously possible in only a few hours.
These advancements have led to the quantification of many fMRI biases previously overlooked or undervalued. This includes the geometric blurring by the capillary bed between the site of neurovascular coupling and the venous response, ultimately measured by BOLD. Moreover, the microvascular blood volume at resting-state gave a non-neuronal explanation for the mid-cortex “bump” observed in layer-fMRI BOLD signals. This tool also proposed mechanistic explanations underlying the BOLD frequency nonlinearity observed during oscillatory stimulus. In non-BOLD acquisitions, these tools discovered artifacts in IntraVoxel Incoherent Motion (IVIM) and VAscular Space Occupancy (VASO) signals caused by vascular structural and flow asymmetries and velocity heterogeneity which help explain discrepancies in experimental findings with these methods.
Google Scholar: https://scholar.google.com/citations?user=ihwU5t8AAAAJ&hl=en
Email: grant.hartung@tu-darmstadt.de
