Stanford University


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  • Fredric Kraemer

    Fredric Kraemer

    Gerald M. Reaven, MD, Professor of Endocrinology, Emeritus

    Current Research and Scholarly InterestsOur research interests are in the general area of cellular lipid and lipoprotein metabolism. The work is aimed primarily at understanding the mechanisms regulating cholesterol and triglyceride accumulation in cells. We utilize a variety of techniques from cell biology, biochemistry, and molecular biology.

  • Helena Chmura Kraemer

    Helena Chmura Kraemer

    Professor of Biostatistics in Psychiatry, Emerita

    Current Research and Scholarly InterestsI am interested in the methodology pertinent to dealing with research problems where biological and behavioral interests meet. These interests have been applied not only in psychiatric research, but in those areas of Cardiology, Pediatrics and other fields of medicine in which behavioral research is becoming ever more salient.

  • Daniel Kraft, MD

    Daniel Kraft, MD

    Adjunct Professor, Med/Hospital Medicine

    BioDaniel Kraft is a Stanford and Harvard trained physician-scientist, inventor, and entrepreneur with more than 25 years of experience across clinical practice, biomedical research, and healthcare innovation. His current work follows how artificial intelligence, continuous data, and converging technologies are reshaping prevention, diagnosis, therapy, and the delivery of care.

    He earned his bachelor's degree in biochemistry from Brown University and his medical degree from Stanford University School of Medicine, completed the Harvard Combined Residency in Internal Medicine and Pediatrics, and went on to fellowships in hematology, oncology, and bone marrow transplantation at Stanford and a postdoctoral research fellowship in the laboratory of Irving L. Weissman. He served on clinical faculty at UCSF in pediatric bone marrow transplantation, and as NIH-funded research faculty at Stanford.

    His academic research has spanned stem cell biology and regenerative medicine, stem cell derived immunotherapies for cancer, and the bioengineering of human T-cell differentiation, with work published in journals including Nature and Science. He holds medical device, immunology, and stem cell related patents, and is the inventor of the MarrowMiner, an FDA-cleared device for minimally invasive bone marrow harvesting.

    Dr. Kraft is the Founder and Chair of NextMed Health (formerly Exponential Medicine), a program and community convening clinicians, technologists, investors, and regulators around the future of medicine, Founder of Digital.Health, a curated platform for evaluating digital health and AI solutions, and Co-Founder and General Partner of Continuum Health Ventures, an early stage fund focused on democratizing health and improving healthspan. He was founding faculty at Singularity University, where he chaired its medicine program.

    His current interests center on how foundation models and agentic AI, continuous physiologic data from wearables and connected devices, multi-omics, and low cost diagnostics are moving medicine from episodic and reactive care toward the continuous, personalized, and proactive, and on the gap between what these technologies can demonstrate and what clinical practice, regulation, and reimbursement will adopt. A six time TED and TEDMED speaker who has keynoted on five continents, he advises health systems, biopharma boards, and technology companies on AI and digital health strategy, and is a member of the inaugural class of the Aspen Institute Health Innovators Fellowship and of the Kauffman Fellows Society.

  • Isabelle Krakowski

    Isabelle Krakowski

    Affiliate, Dermatology

    BioIsabelle Krakowski, MD, PhD, is a Research Affiliate at the Center for Digital Health and Department of Dermatology at Stanford University working with the Linos Lab (Professor Eleni Linos).

    She obtained both her medical degree and PhD at the Karolinska Institute, Stockholm, Sweden. She is a fourth-year resident in dermatology at the Karolinska University Hospital.

    Her current research is focusing on cutaneous melanoma and artificial intelligence.

  • Lironn Kraler, MD

    Lironn Kraler, MD

    Clinical Assistant Professor, Adult Neurology

    BioDr. Kraler is a board-certified neurologist with subspecialty training in vascular neurology, and a Clinical Assistant Professor at Stanford University School of Medicine. Dr. Kraler is also the Associate Program Director for the Vascular Neurology Fellowship at Stanford.

    Before joining the faculty at Stanford, Dr. Kraler attended medical school at Keck School of Medicine at the University of Southern California where she was elected to the Alpha Omega Alpha National Honor Society. She completed her residency training at Stanford Hospital where she served as chief resident, followed by her Vascular Neurology fellowship training at Stanford. She then completed a post-doctoral research fellowship at Stanford University’s Clinical Excellence Research Center (CERC) focused on addressing the high cost of care in US Hospitals.

    Her research interests include improving access and quality of population health and developing high-value innovations in care delivery that decrease the cost of care while improving the quality to patients. In addition, she has a strong interest in medical education. Dr. Kraler has received recognition for outstanding medical student teaching from the Department of Neurology.