Meet Our Team

Steven Lin, MD


Dr. Lin is the Founder and Director of the Stanford Healthcare AI Applied Research Team (HEA3RT). He is an expert clinician, educator, researcher, and health system leader in the specialty of family medicine. Dr. Lin earned his MD from Stanford University School of Medicine and completed his training at Stanford’s family medicine residency program. He has received numerous national awards and is recognized among the top family physicians in the United States.

Dr. Lin is the Chief of General Primary Care and the Head of Technology Innovation for the Division of Primary Care and Population Health. His focus is on the intersection of health services innovation, digital health and emerging technologies – specifically artificial intelligence and machine learning in healthcare. Dr. Lin was a James C. Puffer/American Board of Family Medicine Fellow with the National Academy of Medicine. He is the author of over 400 scholarly works and conference presentations.

Margaret Smith, MBA

Executive Director

Margaret Smith is the Executive Director of HEA3RT where she works with industry collaborators, and clinical and operational leaders at Stanford on the development and implementation of artificial intelligence technologies that improve the lives of patients, providers and health systems. Her expertise lies in healthcare quality improvement, complex problem solving, facilitating cross discipline collaboration, and design thinking. Her passion is building and applying collaborative mix-methods approaches to develop, implement and study technology solutions in healthcare that work for providers and patients rather than impede care delivery.

Previously, she held senior positions in quality improvement for many years in academic and non-academic medicine garnering extensive experience in a broad set of organizational and incentive structures. In these roles, she managed portfolios of projects across all care settings, achieving consistent and sustained results leading large multidisciplinary teams, and guided senior executives on visioning, strategy development, goal setting and managing improvement across the enterprise.

Margaret holds a bachelor’s degree in finance and risk management, a master’s in business administration with a specialization in healthcare management from the Baylor Hankamer School of Business, Robbins Institute for Health Policy and Leadership, and a Lean Six-Sigma master black belt certification.

Amelia Sattler, MD

Associate Medical Director

Dr. Sattler is an Associate Medical Director of HEA3RT. She is an ebullient family physician with special interests in the implementation of technology into clinical care settings, quality improvement, behavioral health, population health and medical education.

Her medical training began while seated around the dinner table in rural northern California where, as a child, she was inspired by the joy that her parents experienced working as family practitioners. In pursuit of formal medical training, she ventured from the west coast to Mayo Medical School in Rochester, Minnesota where she was “raised” in a culture of medicine that prioritizes the needs of patients.

After four winters, she happily returned to San Jose, California where she completed residency in Family Medicine at the San Jose-O’Connor Family Medicine Residency Program. She joined Stanford Family Medicine in 2013.

In addition to her role at HEA3RT, Dr. Sattler is the Primary Care Medical Director for Integrated Behavioral Health and a quality improvement coach for the Stanford Primary Care Performance Enhancement Program (PC-PEP), a rapid-cycle quality improvement program that empowers front-line faculty and staff to tackle day-to-day operational problems.

Shreya Shah, MD, FACP

Associate Medical Director

Dr. Shah is an Associate Medical Director of HEA3RT. She is an internal medicine clinician, researcher and educator with special interests in EHR usability and optimization, population health, value-based care, and quality improvement.

She grew up in the suburbs of Chicago and after completing medical school at Northwestern during a polar vortex, she decided to move to California to complete her internal medicine residency at Stanford, and then joined the Stanford faculty in 2017. She is a clinical assistant professor in the Division of Primary Care and Population Health within the Department of Medicine.

Dr. Shah is also a Medical Informatics Director for Primary Care and Population Health for Stanford Health Care and works to lead the design, implementation and optimization of health information technology in support of clinicians and the patients they serve. Additionally, she is a co-director for the Stanford Internal Medicine residency pathways of distinction (POD) mentorship program for the Innovation/Biodesign/Informatics POD.

Tim Tsai, DO, MMCI

Associate Medical Director

Tim Tsai joins HEA₃RT and the Division of Primary Care and Population Health as a clinical assistant professor. He spent time in Boston for undergrad at Boston University and a Masters in Biomedical Sciences from Tufts University. He returned to NJ, where he grew up, for his medical training at Rowan School of Osteopathic Medicine and Family Medicine residency at Overlook Family Medicine. With an interest in healthcare innovation, he continued his training at Duke University completing a fellowship in Clinical Informatics and Masters of Management in Clinical Informatics. 

Tim is excited to build upon his informatics experiences and contribute to the HEA₃RT team achieving its mission. He is particularly passionate about ways to improve the primary care experience, both for the providers and the patients, through thoughtful implementation of technology. 

When he is not tackling provider burnout and the in-basket, Tim enjoys exploring the city, especially the food, hiking, playing golf, board games, cooking, and spending time with his fiancé and their two year old Czech Shepherd, Nori.

Anna Devon-Sand, MPH

Research Project Manager

Anna Devon-Sand holds a bachelor’s degree from Johns Hopkins University and a master’s in Public Health from the University of California, Berkeley. 

As a project manager for HEA₃RT, Anna supports the operations of multiple research studies related to the design and implementation of AI solutions that improve the lives of patients and providers. Drawing on her public health background, Anna is excited to help grow HEA₃RT's community-engaged research portfolio in support of technologies that advance health equity.

Anna grew up in Philadelphia but loves living in the Bay Area, where she can hike and enjoy the outdoors all year.

Grace Hong, BA

Research Associate

Grace Hong holds a bachelor's degree in Economics from Stanford University and is currently pursuing a master's degree in Public Health at the Harvard T.H. Chan School of Public Health. As a Research Associate, Grace works with HEA3RT to study the implementation of AI technologies in healthcare settings and better understand their effects on patients, providers, and health systems.

Prior to joining HEA3RT, she has conducted health economics research at the Stanford Institute for Economic Policy Research and helped connect patients in the Stanford ED to community resources to address their social needs. Her current research interests include the intersection of health and technology and public health.

In her free time, she enjoys thrifting, cooking Korean food, and playing Bananagrams.

Trevor Crowell, BA

Research Associate

Trevor Crowell attended and graduated from the University of California, Davis, where he received his Bachelor of Arts in Psychology with a minor in Sociology in March 2022. Over the course of his undergraduate years, Trevor accrued extensive research experience across multiple domains of psychological inquiry, exploring research methodology and social cognition at UC Davis and emotion, stress, and psychophysiology at UCSF. As a member of HEA3RT, Trevor hopes to apply his knowledge of research processes as well as background in Sociology to assist the development of novel health technologies while seeking to build relationships between communities, technological entities, and health care institutions.

Trevor was born and raised in Redwood City, mere minutes from the HEA3RT Lab space. In his time outside of work, Trevor enjoys analog photography, plant-based cooking and exploring the Bay Area.

Jeannie Yejin Jeong, BA

Research Associate

Jeannie Jeong graduated from Vanderbilt University with a B.A. in Psychology and Cognitive Science. Jeannie is passionate about research at the intersection of artificial intelligence, cognitive science, and healthcare. 

Prior to joining HEA₃RT, she conducted research at the Laboratory for Artificial Intelligence and Visual Analogical Systems at Vanderbilt, using a tech-based approach to explore how visual thinking works in relation to neuro-diverse conditions. As a Research Associate, Jeannie hopes to apply her interdisciplinary background to support the implementation of human-centered AI in healthcare. Jeannie is particularly interested in integrating AI into mental healthcare. 

Jeannie was born and raised in Yongin, South Korea. In her free time, she enjoys urban/hip-hop dancing, cooking, and filmmaking.

Affiliate Faculty

Justin Ko, MD, MBA


Dr. Ko is Clinical Professor and Chief of Medical Dermatology at Stanford and spearheads the dermatology department's efforts around digital health, quality and value-based care. He is active in a number of leadership roles within Stanford Medicine including as an Associate Chief Quality Officer and physician lead of Patient Experience. His passion for innovating on models of care delivery drives his clinical and research efforts around layering advances in artificial intelligence on remote care capabilities to enhance access, quality and value of dermatologic care.

He developed and runs a digital care delivery program at SHC, providing virtual visits for patients and remote consultations for referring clinicians. He is a founder and leader of the Stanford Translational AI in Dermatology (TRAIND) group and is a founder and co-director of the Skin Innovation and Interventional Research Group (SIIRG) which conducts clinical and translational research on skin disease. He was the initial chair and led the American Academy of Dermatology's Committee on Augmented Intelligence from 2018-23, and currently leads the Academy’s Committee on Health Information Technology. 

Lisa Shieh, MD, PhD


Dr. Shieh is a clinical professor of medicine and hospitalist in the Department of Medicine. She earned a MD from Harvard Medical School and PhD in medical engineering from the Massachusetts Institute of Technology. She moved to California, where she did her residency in internal medicine at Stanford Hospital and later joined the faculty.

Dr. Shieh is currently the medical director for quality in the Division of Hospital Medicine, the associate physician improvement leader in the Department of Medicine, medical co-director for the unit base medical director program, and an associate chief quality officer for Stanford HealthCare (SHC) for inpatient care services.

At SHC, Dr. Shieh was the inaugural winner of the SHC 2018 Excellence in Quality and Safety Award. Her clinical interests include high value care and integrating clinical decision support/AI enabled pathways into clinical care.

Marcie Levine, MD, FACP


Dr. Levine is a general internist and the Medical Director of the Stanford Primary Care Santa Clara clinic. She is a leader in team-based care and ran the pilot site for Primary Care 2.0 and Humanwide/Precision Health in Primary Care.

Dr. Levine recently started collaborating with HEA₃RT on a remote patient monitoring project in partnership with Codex Health. This project aims to understand the usability and feasibility of a digital platform for helping patients with uncontrolled diabetes better communicate with their care team.

Through the HEA₃RT affiliate faculty program, we encourage members to identify problem areas and connect to HEA₃RT's internal and external network of students, developers, workflow specialists, and data to bring their ideas to life. If you are interested in our affiliate faculty program, please contact us here.

Jo-Anne Suffoletto, MD


Dr. Jo-Anne Suffoletto is an internal medicine physician and Medical Director of the Stanford Coordinated Care Program.  Prior to joining Stanford, she served as the Chief of Staff at Butler VA Healthcare System in Pennsylvania.  She also was a clinical faculty member at the University of Pittsburgh School of Medicine and served as Associate Chief of Staff for Education and Innovative Learning and Medical Director of Simulation Education at VA Pittsburgh Healthcare System.  

Dr. Jo-Anne is currently collaborating with HEA3RT on a study exploring the feasibility and acceptability of an AI risk-prediction tool in primary care. 

Ali Raza Khaki, MD


Dr. Khaki is a medical oncologist and clinical assistant professor at Stanford University School of Medicine. As a practicing oncologist, Dr. Khaki treats patients with all forms of genitourinary cancer, and spends time attending on the inpatient oncology service at Stanford Hospital.

In addition to his clinical practice, Dr. Khaki is closely involved in clinical oncology research. His research interests include using real-world evidence to investigate the utilization of novel therapies in patients with genitourinary cancers, and exploring health care utilization and cost for patients with advanced cancer. Dr Khaki is currently collaborating with HEA₃RT on a study aiming to better understand the feasibility and acceptability of an AI-enabled workflow for identifying and flagging patients for advance care planning in inpatient oncology settings.

Patty Garcia, MD


Dr. Patty Garcia is a gastroenterology clinician, educator, and health care system leader. She is the Associate Chief Medical Information Officer for Ambulatory for Stanford Health Care, spearheading efforts to lead the design, implementation, and optimization of health information technology in support of clinicians and the patients they serve for Stanford. She is also the Director of the Neurogastroenterology and Motility Laboratory for the Division of Gastroenterology and Hepatology.  

Dr. Garcia has been collaborating with HEA₃RT on pioneering work to the use and rigorous evaluation of generative AI in clinical practice to enhance provider wellness, reduce burden related to the electronic health record (EHR), and mitigate burnout among healthcare teams. Projects led by Dr. Garcia include evaluation of a pilot leveraging a large language model (LLM) to generate draft responses to patient messages and use of an ambient AI digital scribe technology called DAX Copilot to streamline clinical documentation.