Jack is President and Chief Investment Officer of Harpswell Advisors, a Maine based firm serving foundations and endowments throughout the United States.  Harpswell embraces an OCIO approach that leverages the benefits of both passive and active strategies and creates custom portfolios for each institution it serves.  Harpswell was named among the nation’s top 108 Charitable Investment Advisors in Investor.com’s 2020 study.

Prior to Harpswell, Jack managed a market neutral hedge fund predominately for non-profit institutions and family offices.  Jack also served as a Principal with The Vanguard Group where he was a Senior Analyst working directly for several of Vanguard’s funds and participated in the Chairman’s senior strategy efforts. Prior to joining Vanguard, Jack was a Vice President and Portfolio Manager with Bryn Mawr Capital (a hedge fund) overseeing the firm’s investments in energy and basic materials. 

Prior to his career in investment management, Jack served as the Press Assistant to the U.S. Senate Majority Leader George J. Mitchell.

Jack holds a Bachelor of Arts degree from Hobart College and earned his Masters of Science degree from the London School of Economics. 

A dedicated civic participant, Jack has been a lifelong volunteer and serves on several Boards and Investment committees.