Roger Holstein is Chairman, Quest Analytics and is also a Managing Director at Vestar, a leading U.S. middle-market private equity firm. For more than 30 years, Roger has been a transformative force leading healthcare into the digital age, empowering consumers and physicians alike with transparent access to the information they need to make informed decisions. He has led investments in healthcare information companies, including Quest Analytics, Healthgrades, Press Ganey and Friday Health Plans. In addition, Roger serves on the Board of Directors of Progyny and Mercury Healthcare. From 1997-2005, Roger served as CEO, President or Director of WebMD and helped establish it as the leading source of healthcare information for consumers and professionals. From 1991-1996, Roger was a member of the Office of the President at Medco, where he helped create the business of prescription benefit management.