Meet Our Team

Steven Lin, MD

Executive Medical Director

Dr. Lin is the Founder and Executive 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 Family Medicine Service Chief at Stanford Health Care. He cares for people of all ages, often for members of the same family. He has a particular interest in preventive cardiology, diabetes, hepatitis B, and mental health. He is proficient in a wide range of primary care procedures – including over 40 different skin, musculoskeletal, and women’s health procedures that are performed in the office.

Dr. Lin is the Head of Technology Innovation for the Division of Primary Care and Population Health at Stanford. He is the author of over 260 scholarly works and conference presentations. His current focus is on translational research of artificial intelligence and machine learning in healthcare.


Margaret Smith, MBA

Director of Operations

Margaret Smith is the Director of Operations 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 quality improvement, population health, medical education, adolescent medicine and mental health.

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 surviving 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.

Dr. Sattler is the Program Director 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. She is also the Quality Improvement Lead for both the Stanford Primary Care Faculty Practices and the Stanford School of Medicine Continuity of Care Clerkship.


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.


Grace Hong, BA

Research Associate

Grace Hong was born and raised in Illinois and recently graduated from Stanford University with a B.A. in Economics. As a research assistant, 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.


Marissa Marapao, BA

Administrative Associate

Marissa Marapao graduated from San Jose State University with a B.A. in Child and Adolescents Development with an emphasis on community focus. She was born in Sacramento, California and was raised in Stockton, California. She onboarded with Stanford Primary Care and Population Health in 2018. She provides administrative support for Dr. Steven Lin and has helped the HEA3RT team with finances and expenses, interior decorating planning, scheduling coordination, and other daily administrative duties for the simulation lab.  

In her free time, she enjoys playing volleyball, reading, and hiking.