Peter Bouyoucos founded Middlemark Partners in 2012. Prior to founding Middlemark, Peter was a partner with London-based hedge fund advisor Sussex Partners, where he expanded their client base to include single manager hedge funds. Before helping new and emerging funds grow, Peter was a Partner and Head of Business Development at Platinum Grove Asset Management. During his nine years with the firm, Peter was responsible for building and managing a multi-billion-dollar investor base with a strong international and institutional focus. Peter expanded Platinum Grove’s assets under management (AUM) to over $6 billion.

Peter Bouyoucos
CEO and Founder
Middlemark Partners
United States, New York, Nyack
About Me
Profile Information
CEO and Founder
Middlemark Partners
Investment Team,Operations Team
Investor
Consultant
Nyack
New York
United States
Aug 10, 2025
Work Experience
Middlemark Partners
CEO and Founder Jan 2012 - Present
Sussex Partners
Partner Oct 2010 - Dec 2012
Platinum Grove Asset Management
Principal Jun 2000 - Jun 2009
Morgan Stanley
Principal Jan 1995 - Dec 1999
Goldman Sachs
Vice President Mar 1986 - Dec 1994
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