Keith is the Co-Chairman and CEO of Lullwater & Co., a private investment firm specializing in building companies for the long term.  He is also the Co-Executive Chairman of Apex Physics Partners, the largest medical physics services company in the United States, and previously served as its President. His search fund, Seneca Creek Partners LLC, resulted in a successful exit for his initial investors in 2019 after launching a programmatic acquisition strategy that resulted in 15 add-on acquisitions to date.

Prior to founding Seneca Creek, he was in the Compliance Department at Goldman, Sachs & Co. covering principal investing businesses and also spent several years as a corporate attorney with Latham & Watkins and Jones Day.

In addition to his role at Lullwater & Co., Keith is a search fund investor and board member of PalCare and AQC Traffic Control.  He is also serves on the Executive Committee of the Board of Counselors for Oxford College of Emory University.

Keith earned a BBA from Emory University, a MS in Real Estate Development from Columbia University and a JD from Columbia Law School.