About
William Harnisch is the Chief Investment Strategist at Peconic Partners, managing all aspects of the firm's investment process. Mr. Harnisch began his career at Chase Manhattan Bank in 1968 (later known as Chase Investors Management), where he was Vice-President responsible for Special Equity Investments. He joined Forstmann-Leff Associates (FLA) in 1978 when the business managed $300 million. He began managing FLA in 1984, eventually managing assets of over $5 billion, and became the majority shareholder in 1989. With a strong history in absolute return, FLA entered the hedge fund business in 1986. The long-only business was sold in 1997, and Mr. Harnisch left FLA at the end of 2004 to form Peconic Partners and concentrate on the hedged product. Mr. Harnisch has a B.B.A. from Baruch College of the City University of New York and took M.B.A. courses at New York University. He was awarded a Chartered Financial Analyst designation in 1977. He is a member of the New York Society of
Position in the VCSift Database
- • 2 investors hold the Chief Investment Strategist role in VCSift. Bill Harnisch is one of them.
- • 10,621 investors are based in New York, New York, United States.
Data sourced from 410,343 investor profiles. Updated July 2026.
Investment Focus
- Stages
- seed
- Location
- New York, US
Contact Information
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