# Douglas Siegel

> Douglas Siegel is a startup investor at Oppenheimer & Co. (Middletown). See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Oppenheimer & Co.](https://shizune.co/investors/profile/oppenheimer-co-inc)
- Location: Middletown, United States
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/douglas-siegel-84887a50

Douglas Siegel is a startup investor at Oppenheimer & Co. in Middletown. Douglas Siegel is the Managing Director and Chief Compliance Officer at Oppenheimer & Co. Inc. Douglas Siegel attended Syracuse University.

## About Oppenheimer & Co.

VC Fund · New York, United States

Oppenheimer & Co. is a financial services company that provides investment banking, securities brokerage, and wealth management services for clients, including high-net-worth individuals, businesses, and institutions. The company was formerly a subsidiary of CIBC World Markets prior to its acquisition by Fahnestock Viner Holdings.

5 contacts available at Oppenheimer & Co..

| Name | Title | Profile |
| --- | --- | --- |
| Albert G. Lowenthal | CEO | https://shizune.co/investors/profile/albert-g-lowenthal |
| Boaz Rahav | Managing Director, Head of Private Shares Group | https://shizune.co/investors/profile/boaz-rahav |
| David Dodson | Executive Director - Investments, Portfolio Manager, OMEGA Portfolio Management | https://shizune.co/investors/profile/david-dodson |
| Douglas Siegel | Managing Director and Chief Compliance Officer | https://shizune.co/investors/profile/douglas-siegel |
| Jeff Alfano | Executive Vice President & Chief Financial Officer | https://shizune.co/investors/profile/jeff-alfano |

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