Joel Ackerman is CFO of DaVita, Inc., a Fortune 500® company. Prior to joining DaVita, Joel was the CEO of Champions Oncology, a company engaged in the development of advanced technology solutions and services to personalize the development and use of oncology drugs. He is a former partner and 15-year veteran of Warburg Pincus where he headed up the healthcare services team and invested across segments and stages of companies. Joel sits on the board of directors of Kindred Healthcare, Inc., a position he has held since December 2008, and previously served on the board of directors of Coventry Health Care, Inc., a national managed care company, from September 1999 until its acquisition by Aetna Inc. in May 2013. He is also chairman of the board of the One Acre Fund, a not-for-profit microfinance organization that focuses on smallholder agriculture, and serves more than 400,000 subsistence farmers in Africa.