Since March 2012, Dr. Kosecoff has been a Managing Partner of Moriah Partners, where she works to identify, select, mentor and manage health services and IT companies, and Senior Advisor to Warburg Pincus, a private equity investing firm. From 2005 to 2012, Dr. Kosecoff 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 PBM business and consumer health products. Dr. Kosecoff served as Chief Executive Officer of OptumRx from 2006 to 2011.

From 2002 to 2005, at PacifiCare Health Systems, Dr. Kosecoff served as Executive Vice President with responsibility for various business segments, including pharmacy, behavioral health, dental, vision and women’s health. From 1998 to 2002, Dr, Kosecoff was Founder, President and Chief Operating Officer of Protocare, a firm whose lines of business included the clinical development of drug devices, biopharmaceutical and nutritional products, and health services consulting. Dr. Kosecoff served as Professor of Medicine and Public Health at the University of California, Los Angeles, from 1975 to 2006.