Ms. Lewis has served as a member of the Board of Directors since September 2019. She previously served on various non-profit and advisory boards, as well as consulted on healthcare related matters since her retirement from Aetna, Inc., a managed care company, in April 2016. Ms. Lewis most recently served Aetna, Inc. as Executive Vice President, Consumer Products and Enterprise Marketing from October 2013 to April 2016. Prior to that, she served as Senior Vice President, Health and Wellness for Walmart Stores, Inc., a multinational retail chain, from March 2011 to October 2013. Ms. Lewis previously served in a number of executive level positions of increasing responsibility with Anthem/Wellpoint, Inc., a managed care company, from August 1994 to January 2011, including serving as the Executive Vice President and Chief Executive Officer of its Comprehensive Health Solutions division from October 2007 to January 2011. Ms. Lewis received a bachelor’s degree in quantitative business analysis from the Kelley School of Business at Indiana University and a master’s degree in business administration from Indiana Wesleyan University.