Leadership Team

Liz Graham

Liz Graham serves as Senior Clinical Research Data Manager for Vivli. She received a Master of Public Health (MPH) from the University of New England and a Master of Data Science and Analytics (MS) from the University of Maryland. Additionally, she completed the Cross Cultural Health Immersion to Ghana, West Africa as part of a multidisciplinary team that evaluated integration of western health approaches with local medicine to improve cultural competence awareness.
Prior to this role, Liz coordinated multi-disease clinical trials at Johns Hopkins. She developed experience in oncological trial management, clinical EDCs, regulatory and protocol compliance standards.  Liz is a member of the American Public Health Association and American Health Information Management Association.

Nancy Owens


Nancy Owens is Vivli’s Senior Program Manager, with responsibility for helping to administer the Vivli platform, answer user queries and manage Vivli’s website and social media presence among many other duties.

Prior to joining Vivli, Nancy worked at Cochrane for nearly two decades in a variety of roles. Most recently she worked as Cochrane’s Senior Communications Manager, where she led on developing Cochrane’s organizational website and social media presences, establishing a comprehensive user-centered communications strategy for online content.

Jessica Baker

Jessica Baker is a recent graduate of the Masters in Bioethics program at the Center for Bioethics, Harvard Medical School. Her studies include work in Research Ethics, Global Health Ethics, and the foundations of Bioethics. Prior to matriculating at Harvard, Jessica obtained a J.D. from Southern Methodist University Dedman School of law, as well as undergraduate degrees in English from Davidson College and Psychology from the University of Utah.

Jessica’s work at Vivli includes assisting in communications, policies and procedures, and governance issues, combining her interests in research ethics, public outreach, and the legal and regulatory frameworks of human subjects research.

Amrutha Baskaran

Amrutha Baskaran serves as the Associate Director of Operations at Vivli. She received a MD from Tbilisi State Medical University, Republic of Georgia and a master’s degree in Clinical Research from the Medical University of South Carolina (MUSC). In addition, she completed a Fellowship in Clinical Research Ethics from the South Carolina Clinical and Translational Institute at MUSC.

Prior to the current position Amrutha worked as a Clinical Trial Lead for a medical device company running clinical trials on aortic stent grafts. She has 6 years of clinical trials experience in both academia and industry setting. She has experience in various roles as the study lead, data manager and regulatory specialist which gave her the exposure of working on both national and global clinical trials. In the past, Amrutha served as an Institutional Review Board member at the University of California, San Diego and as an external reviewer for Clinical Research Ethics Consultation Services at MUSC.

Mark Barnes, JD

Mark Barnes, J.D., law practice and his teaching at Yale focus on health care law and finance, human and animal research, stem cell and genetic research, research grants and contracts, research misconduct, and international research. Mr. Barnes formerly served at Harvard as the Senior Associate Provost and University Senior Research Officer and started and directed Harvard’s HIV/AIDS treatment programs in Nigeria, Tanzania and Botswana.  He serves on the Ethics Working Group of the NIH’s HIV Prevention Trials Network (HPTN) and is the ethics advisor to HPTN Trial 071 in South Africa and Zambia. Mr. Barnes has held senior appointed positions in the New York City and State departments of health.

Barbara Bierer, MD

Dr. Barbara Bierer is the faculty co-chair of the Multi-Regional Clinical Trials Center of Harvard and Brigham and Women’s Hospital (MRCT Center), a Professor of Medicine, Harvard Medical School and Brigham and Women’s Hospital, Boston and a hematologist/oncologist. She is the Director of the Regulatory Foundations, Ethics and the Law Program of the Harvard clinical and translational sciences center. Previously she served as senior vice president, research at the Brigham and Women’s Hospital for 11 years, and was the institutional official for human subjects and animal research, for biosafety and for research integrity. She initiated the Brigham Research Institute and the Innovation Hub (iHub), a focus for entrepreneurship and innovation.

In addition, she was the Founding Director of the Center for Faculty Development and Diversity at the BWH. In addition to her academic responsibilities, she serves on the Board of Directors of Public Responsibility in Medicine and Research (PRIM&R), dedicated to promoting the ethical conduct of biomedical and behavioral research; Management Sciences for Health (MSH), an international organization working in partnership globally to strengthen health care, local capability, and access; and the Edward P Evans Foundation, a foundation supporting biomedical research. Previously she has served as the chair of the Board of Directors of the Association for Accreditation of Human Research Protection Programs (AAHRPP) and as chair of the Secretary’s Advisory Committee on Human Research Protections, HHS. She has authored or co-authored over 180 publications and is on the editorial boards of a number of journals including Current Protocols of Immunology.

Dr. Bierer received a B.S. from Yale University and an M.D. from Harvard Medical School.

Rebecca Li, PhD

Rebecca Li, PhD, is the Executive Director of Vivli and on faculty at the Center for Bioethics at the Harvard Medical School.  Previous to her current role she was the Executive Director of the MRCT Center of Brigham and Women’s Hospital and Harvard for over 5 years and remains a Senior Advisor at the Center.  She has over 25 years of experience spanning the entire drug development process with experience in Biotech, Pharma and CRO environments. She completed a Fellowship in 2013 in the Division of Medical Ethics at Harvard Medical School.  She earned her PhD in Chemical and Biomolecular Engineering from Johns Hopkins University. 

Justin McCarthy, JD

Justin McCarthy has over 27 years of experience in the pharmaceutical industry, with expertise in pricing, market access, global health policy, legal and compliance. In his most recent role, he led the Patient & Health Impact (PHI) team at Pfizer, one of the world’s premier innovative biopharmaceutical companies whose global portfolio includes medicines and vaccines. He led a team of experts in health economics and outcomes research, real-world data and analytics, patient-centered outcomes assessment, market access, pricing, strategy and contracting, to generate evidence of the value of Pfizer medicines and vaccines and negotiate with governments and payers around the world to ensure access for patients. He also formed a team to explore novel approaches to bring medicines to the market through innovative partnerships and payment models.

Previously, Justin led Pfizer’s Global Policy & International Public Affairs efforts, responsible for defining Pfizer’s public policy positions and advancing government and public affairs strategies internationally. Additionally, Justin was Chief Counsel for Pfizer’s Worldwide Research and Development division, advising on regulatory, licensing and clinical trial issues, and overseeing global intellectual property activities.

Justin serves as a health policy and market access advisor, and has previously served on the Secretary’s Advisory Committee for Human Subject Protection, Subcommittee on Harmonization

Ida Sim, MD, PhD

Ida Sim, MD, PhD is Professor of Medicine at the University of California, San Francisco and co-directs Biomedical Informatics at UCSF’s Clinical and Translational Sciences Institute. Dr. Sim earned her MD and her PhD in Medical Informatics from Stanford University, where her dissertation was on computational methods for data sharing of clinical trial results. She was trained in Primary Care Internal Medicine at the Massachusetts General Hospital, and completed fellowships in General Medicine and Medical Informatics at Stanford.

In 2005-6, Dr. Sim led the World Health Organization’s International Clinical Trials Registry Platform which established the first global policy on clinical trial registration and defined the common 20-item Trial Registration Data Set. She has led multiple NIH and other grants on “trial bank publishing,” ontology-based data sharing of human studies, and clinical trial visualization. Dr. Sim was a member of the 2015 Institute of Medicine committee on “Sharing Clinical Trial Data: Maximizing Benefits, Minimizing Risk.” She joined the MRCT Clinical Trials Data Sharing project in 2015 and is a co-founder of Vivli.

In other work, Dr. Sim is a national leader in mobile health and co-founder of Open mHealth, a non-profit organization building open APIs and tools for integrating mobile health data. She has served on multiple national advisory committees on health information infrastructure for clinical care and research. She is a recipient of the United States Presidential Early Career Award for Scientists and Engineers (PECASE), a Fellow of the American College of Medical Informatics, and a member of the American Society for Clinical Investigation. She is a practicing clinician.

Murray Stewart, MD

Murray Stewart, M.D., is Chief Medical Officer at Rhythm Pharmaceuticals, Inc. Previously, he was Executive Vice President, Head of R&D, at Novelion Therapeutics Inc. From April 2014-September 2017, he was the Chief Medical Officer at GlaxoSmithKline. Dr. Stewart joined GSK in 2000 as Associate Director for Clinical Research & Development in the UK and since then has held a variety of positions in GSK he worked in Biopharm, was Therapy Area Head for the Cardiovascular and Metabolic therapy area. He has had extensive clinical development experience and worldwide regulatory interactions. Before joining the pharmaceutical industry, Dr. Stewart worked as a diabetes consultant and senior lecturer and was Consultant Physician/Honorary Senior Lecturer and Head of Clinical Services at the Diabetes Centre, Newcastle upon Tyne in the UK. His research was in lipid metabolism in type-2 diabetes, and he completed his medical training at Southampton Medical School in the UK and is a Fellow of the Royal College of Physicians.