Dr. Samuel Nussbaum is executive vice president, clinical health policy and chief medical officer for WellPoint, Inc. He oversees corporate medical policy, clinical pharmacy programs, health improvement and quality resources, programs in clinical excellence, and health information technology to optimize care for members. His principal responsibilities include: serving as chief spokesperson and policy advocate on medical issues, guiding the corporate vision regarding quality of care and its measurements, leading efforts to assess cost of care performance and developing a strategy to foster further collaboration with physicians and hospitals to strengthen and improve patient care. Dr. Nussbaum also has responsibility for HealthCore, WellPoint’s clinical outcomes research subsidiary.

Dr. Nussbaum has served as president of the Disease Management Association of America, Chairman of the National Committee for Quality Health Care, as Chair of America's Health Insurance Plan's (AHIP) Chief Medical Officer Leadership Council and as a member of the AHIP Board, and currently serves on the National Quality Forum (NQF) Board. He received the 2004 Physician Executive Award of Excellence from the American College of Physician Executives and Modern Physician magazine. Dr. Nussbaum is professor of clinical medicine at Washington University School of Medicine and serves as adjunct professor at the Olin School of Business, Washington University.

Dr. Nussbaum served as executive vice president, Medical Affairs and System Integration, of the BJC Health System and President of its medical group.

Dr. Nussbaum earned his medical degree from Mount Sinai School of Medicine. He trained in internal medicine at Stanford and Massachusetts General Hospital and in endocrinology and metabolism at Harvard and Massachusetts General Hospital, where he directed the Endocrine Clinical Group. His clinical and basic research has led to new therapies to treat skeletal disorders and new technologies to measure hormones in blood.

Helen Darling is President of the National Business Group on Health (formerly Washington Business Group on Health), a national non-profit, membership organization devoted exclusively to providing practical solutions to its employer-members' most important health care problems and representing large employers' perspective on national health policy issues. Its over 300 members, including 64 of the Fortune 100 in 2008, purchase health and disability benefits for over 55 million employees, retirees and dependents.

Darling heads the Business Group's Institute on Health Care Costs and Solutions which is devoted to finding practical solutions from a business perspective to the nation's growing crisis of rapidly rising costs and affordability of care, on top of continuing problems of patient safety and quality. The Business Group's National Committee on Evidence-Based Benefits Design, Global Health Benefits Institute and National Leadership Committee on Consumer-Directed Health Care and Consumerism are the most recent ways the membership is engaging in value purchasing and the global economy. As president of the Business Group, she was named in 2003, 2004, 2005, 2006 and 2007 as one of "100 Most Powerful People in Health Care" in the United States by Modern Healthcare.

Darling serves on: the Committee on Performance Measurement of the National Committee for Quality Assurance (Co-chair for 10 years); the Medical Advisory Panel, Technology Evaluation Center, (Blue Cross Blue Shield Association); the Institute of Medicine's Roundtable on Evidence-Based Medicine; the Board of the National Quality Forum; Medicare Coverage Advisory Committee; the Governance Committee of Care Focused Purchasing, the Board of the VHA Health Foundation and the Board of the Congressionally-created Reagan-Udall Foundation, along with a number of other advisory and editorial boards. She is featured on CNN, CNBC, ABC, and NPR on trends in health care costs and benefits. She is also widely quoted in the New York Times, Wall Street Journal, The Economist, Washington Post, Los Angeles Times, Business Insurance, and many other journals.

Previously, Darling served as Practice Leader, Watson Wyatt Worldwide, and directed the purchasing of health benefits and disability at Xerox Corporation for 55 thousand US employees, plus their dependents and retirees. Before joining Xerox, Darling was a Principal at William W. Mercer. Earlier in her career, Darling was an advisor to Senator David Durenberger, the ranking Republican on the Health Subcommittee of the Senate Finance Committee. She directed three studies at the Institute of Medicine for the National Academy of Sciences. Darling received a master's degree in Demography/Sociology and a bachelor's of science degree in History/English, cum laude, from the University of Memphis.