Dr. Tang, formerly chief technology and innovation officer at Medical Foundation/Stutter Health in Palo Alto, Calif., is now vice president and chief health transformation officer at IBM's Watson Health division. 

Dr. Tang is an elected member of the Institute of Medicine (IOM) and serves on its Health Care Services Board. He chaired an IOM patient safety committee which published two reports: Patient Safety: A New Standard for Care, and Key Capabilities of an Electronic Health Record System. Dr. Tang is a Past-Chair of the Board for the American Medical Informatics Association.

He is Vice Chair of the federal Health Information Technology Policy committee (HITPC), an advisory committee created by the American Recovery and Reinvestment Act, and Chair of its Meaningful Use workgroup. He is also a member of the National Committee on Vital and Health Statistics (NCVHS), an advisory committee to the secretary of HHS on health information policy, and co-chairs the NCVHS Quality Subcommittee.

Dr. Tang chairs the National Quality Forum's (NQF) Health Information Technology Advisory Committee, is a member of the NQF Consensus Standards Approval Committee, and co-chairs the Quality Alliance Steering Committee's Measurement Implementation Strategy subcommittee. He also chairs the Robert Wood Johnson Foundation's National Advisory Council for Project Health Design, a program working on innovative ways to use personal health records to improve the health of individuals.

Dr. Tang was named one of Modern Healthcare's "100 Most Powerful People in Healthcare" in 2009 and "50 Most Powerful Physician Executives in Healthcare" in 2010. Information Week named him among "Healthcare's CIO 25" in 2011. Dr. Tang received the 2009 AMIA Don E. Detmer Award for Health Policy Contributions in Informatics. He was named an "Innovator and Influencer" by Information Week and "Healthcare Innovator" by Healthcare Informatics.

Dr. Tang has served on numerous committees of the National Institutes of Health, National Research Council, National Academy of Sciences, Institute of Medicine, and Computer Science and Technology Board. He is a Fellow of the American College of Physicians, the American College of Medical Informatics, the College of Healthcare Information Management Executives, and the Healthcare Information and Management Systems Society. Dr. Tang has published numerous papers in medical informatics, especially related to EHRs, PHRs, and health care quality, and has delivered over 270 invited presentations to national and international organizations and associations.