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John Sinnenberg

Founder, leader, investor
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LinkedIn: John Sinnenberg
Location: Free Union, Virginia, United States
Last updated: 02/08/2026 04:41 AM
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About

John Sinnenberg is from Free Union, Virginia, United States. In John's previous role as a Partner at Cyprium Partners, John worked in Cleveland, Ohio. Prior to joining Cyprium Partners, John was a board at EDWINS FOUNDATION and held the position of board. Prior to that, John was a CEO and founder at Key Principal Partners, based in Cleveland/Akron, Ohio Area from Feb 1998 to May 2011. John started working as CEO and founder at China Institute of America in Summit, NJ in Sep 1995. From Jan 1989 to Jan 1995, John was Managing Director at Barclays Capital Mezzanine Group.

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John Sinnenberg's past jobs
Company: Cyprium Partners
Title: Partner
Period: Jun 2011 - Present (15 years, 4 months)
Location: Cleveland, Ohio
Company: EDWINS FOUNDATION
Title: board
Period: Jan 2014 - Jan 2023 (9 years)
Company: Key Principal Partners
Title: CEO and founder
Period: Feb 1998 - May 2011 (13 years, 3 months)
Location: Cleveland/Akron, Ohio Area
Company: China Institute of America
Title: CEO and founder
Period: Sep 1995 - Dec 2009 (14 years, 3 months)
Location: Summit, NJ
Company: Barclays Capital Mezzanine Group
Title: Managing Director
Period: Jan 1989 - Jan 1995 (6 years)
John Sinnenberg's education
The Wharton School
MBA
1990 - 1992
University of Buckingham
1979 - 1980
Bucknell University
BA
1975 - 1979
Bucknell University
Bachelor of Arts - BA
University at Buckingham
Economics
John Sinnenberg's top skills
Investments Venture Capital Private Equity Corporate Development Mergers & Acquisitions Due Diligence Valuation M&A experience Corporate Finance Investment Banking Financial Modeling Entrepreneurship Start-ups Capital Markets Equities Alternative Investments Capital Raising LBO IPO Financial Structuring
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