What does Thomas Hirschfeld invest in?

Thomas Hirschfeld (New York, NY, United States) — sector focus: Mr. Thomas Hirschfeld serves as Chief Operating Officer at Halcyon Asset Management. Mr. Hirschfeld joined Halcyon as Chief Operating Officer in April 2005. He….

How do I contact Thomas Hirschfeld?

Thomas Hirschfeld's published profile links (website, LinkedIn or X where available) are listed on the StartupFundraising.com investor profile.

Where is Thomas Hirschfeld headquartered?

Thomas Hirschfeld is based in New York, NY, United States.

Thomas Hirschfeld — Individual/Angel in New York

About Thomas Hirschfeld

Thomas Hirschfeld is associated with Thomas Hirschfeld. Location on record: New York, NY, United States. This profile is categorized as Individual/Angel. A LinkedIn profile is on record. The website on record could not be read automatically because access is restricted. The details above are limited to the fields held in this database as of August 9, 2026.

Thomas Hirschfeld at a glance

Location: New York, NY, United States
Investor type: Individual/Angel
Focus areas: Mr. Thomas Hirschfeld serves as Chief Operating Officer at Halcyon Asset Management. Mr. Hirschfeld joined Halcyon as Chief Operating Officer in April 2005. He was previously Managing Director of J. & W. Seligman & Co., a $20 billion asset management firm, where he served both as Chief Operating Officer for Investments and as Head of Venture Capital. Earlier, Mr. Hirschfeld spent six years as a Partner at Patricof & Co. Ventures (now Apax Partners) and eight years in investment banking at Salomon Brothers (now Citigroup). Mr. Hirschfeld was founding Chairman of the Senior Executives Group within the Asset Managers Forum, an industry standards, education and advocacy group. He also served as Assistant to Mayor Rudolph Giuliani during the mayor’s first year in office, handling special projects and leading the city’s Economic Policy and Marketing Group. Finally, he is the author of three nonfiction books totaling over 1.5 million copies in print. In 1986

Frequently asked about Thomas Hirschfeld

What does Thomas Hirschfeld invest in?: Thomas Hirschfeld (New York, NY, United States) — sector focus: Mr. Thomas Hirschfeld serves as Chief Operating Officer at Halcyon Asset Management. Mr. Hirschfeld joined Halcyon as Chief Operating Officer in April 2005. He….
How do I contact Thomas Hirschfeld?: Thomas Hirschfeld's published profile links (website, LinkedIn or X where available) are listed on the StartupFundraising.com investor profile.
Where is Thomas Hirschfeld headquartered?: Thomas Hirschfeld is based in New York, NY, United States.

StartupFundraising tracks this firm record from SEC filings and announced rounds, updating focus, location and portfolio history as new data lands. Use it to gauge fit before an outreach, then widen the search to investors in New York.

Thomas Hirschfeld

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