Stanford University


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  • Kimberly Hill

    Kimberly Hill

    Clinical Professor, Psychiatry and Behavioral Sciences

    BioDr. Hill received her Ph.D. in Clinical Psychology from Ohio University. She completed her doctoral internship at the Veterans Affairs Palo Alto Health Care System and postdoctoral fellowship in the Psychiatry Department at the Stanford University School of Medicine where she currently serves as a Clinical Professor. Dr. Hill has published articles and made presentations related to psychology training, pain management, serious mental illness including Post Traumatic Stress Disorder, and sexual dysfunction.

    Dr. Hill's time is divided across clinical, research, administrative, and teaching domains. Her current clinical interests are varied including anxiety, mood disorders, relationship difficulties, and post-traumatic stress disorder. The bulk of her time is committed to psychology training as the Director of Clinical Training for the PGSP-Stanford Psy.D. Consortium. On a national level, she currently serves as the Vice Chair of the Association of Psychology Postdoctoral and Internship Centers (APPIC).

  • Michelle Hill

    Michelle Hill

    Postdoctoral Scholar, Earth and Planetary Sciences

    BioMichelle's work addresses a fundamental question in exoplanet habitability: determining the minimum planetary size required to maintain an atmosphere, a critical prerequisite for life as we know it. She found that stagnant lid (no plate tectonics) planets Earth sized and below orbiting in the habitable zone (HZ) of a Sun-like star need to be ≥ 0.8 Earth radii to maintain their atmosphere past 1 billion years. As a Stanford Science Fellow, Michelle will advance her research and expand her planetary habitability models to look at how tectonic regime, initial volatile content, stellar type, tidal locking and tidal heating effect the results of whether a planet smaller than Earth can hold onto it's atmosphere. Her faculty host is Laura Schaefer, Assistant Professor in the department of Earth and Planetary Sciences.

    Michelle also detects and refines the masses and orbits of exoplanets using a combination of radial velocity (RV), transit and astrometry. She is currently observing 10 known planet systems that have shown indications of additional planets in orbit in order to detect the long period outer companions. These observations have lead to the discovery of 3 planets so far.


    Michelle recently completed her PhD in Earth and planetary sciences at the University of California, Riverside, where she developed research on exoplanet habitability while supported by the NASA FINESST award. She lead a catalog paper on the demographics of all the known planets in HZ of their star where she found evidence of the sub-Saturn valley in the HZ. During this time she was also a member of the TESS-Keck Survey (TKS) team that conducted RV followup of TESS Objects of Interest (TOIs) and she lead the discovery paper of TOI-1386 b and c.

    Michelle completed her post bachelor honours in astrophysics at University of Southern Queensland, Australia. Here Michelle worked on the occurrence rates of giant exoplanets in the habitable zone of their star and found that while giant planets are less likely to be found in the habitable zone than terrestrial planets, if each giant planet is host to more than one moon then exomoons could be more numerous than terrestrial planets in the habitable zone of their star. This work has direct implications for the fraction of stars in the galaxy that may host habitable terrestrial worlds.

    Prior to this Michelle completed her bachelors in physics at University of New England, Australia where she attended San Francisco State University during her year abroad. Here she contributed to a study of the Kepler habitable zone planets where she found that the distribution of planets within the habitable zone closely mirrored the distribution of all known planets. This discovery had major implications for the opportunities of statistical analysis of this relatively small group of habitable zone planets.


    Michelle loves flying! She was a commercial pilot before returning to school to study physics. She currently holds an Australian ATPL with plans to (one day!) convert this to an FAA APT.

  • Vayu Hill-Maini

    Vayu Hill-Maini

    Assistant Professor of Bioengineering

    BioVayu fell in love with cooking at a young age in his multicultural home in Stockholm, Sweden. He first moved to the U.S to work in restaurants, but the flavors, textures, and sensations of the kitchen eventually led him to scientific research. He received his B.A in Chemistry and Biology at Carleton College in 2015. He completed his PhD in Biochemistry from Harvard University in 2020, where he worked in the lab of Emily Balskus to characterize strains and enzymes from human gut microbiota responsible for the metabolism of drugs and dietary compounds. As a Miller Fellow at UC Berkeley, Vayu discovered and engineered filamentous fungi for sustainable foods in the lab of Jay Keasling. In addition, Vayu has trained at diverse gastronomic institutions, including Basque Culinary Center, Fundación Alicia, The Cultured Pickled Shop, and Michelin-star restaurants Alchemist, Blue Hill at Stone Barns. He is excited about building synthetic biology tools for fungi to unlock new discoveries within mycology, address sustainability challenges, and enable gastronomic creativity. His favorite fungi are Neurospora intermedia and chantarelles (both orange!).