Dr. Kosecoff is a Managing Partner of Moriah Partners, where she works to identify, select, mentor and manage health services and IT companies, and a Senior Advisor of Warburg Pincus, a private equity investing firm. Previously, she was a senior executive inside UnitedHealth Group-PacifiCare. Dr. Kosecoff joined UnitedHealth Group as part of its acquisition of PacifiCare Health Systems in 2005 and took responsibility for, among other areas, the Medicare Part D business and the consumer health product division serving seniors. Prior to that, she was at PacifiCare Health Systems and served as Executive Vice President with responsibility for various business segments. Dr. Kosecoff also previously served as Chief Executive Officer of Prescription Solutions (now known as OptumRx). She was also founder, President and Chief Operating Officer of Protocare, and earlier, served as Professor of Medicine and Public Health at the University of California, Los Angeles. Dr. Kosecoff also serves on the board of directors of Houlihan Lokey, Sealed Air Corporation, and STERIS Corporation. She holds a B.A. from the University of California, Los Angeles, an M.S. in Applied Mathematics from Brown University, and a doctorate from University of California, Los Angeles.