# Michael B. Hoffman

> Michael B. Hoffman is a post-ipo equity investor at Riverstone Holdings backing Therapeutics. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Riverstone Holdings](https://shizune.co/investors/profile/riverstone-holdings)
- Location: New York, United States
- Total investments: 1
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/michael-b-hoffmann-b0960a6
- Website: http://www.riverstonellc.com/

Michael B. Hoffman is a post-ipo equity investor at Riverstone Holdings in New York focused on Therapeutics and Biotechnology. Mr. Michael Hoffman is a managing director of Riverstone Holdings LLC, where he is principally responsible for investments in power and renewable energy for Riverstone's funds.Before joining Riverstone in 2003, Mr. Hoffman was senior managing director and head of the mergers and acquisitions advisory business of The Blackstone Group for 15years, where he also served on the firm's principal group investment committee as well as its executive committee.Prior to joining Blackstone, Mr. Hoffman was managing director and co-head of the mergers and acquisitions department at Smith Barney, Harris Upham & Co. Mr. Hoffman serves on the boards of Topaz Power, Bottle Rock, Coastal Carolina, Green Earth Fuels, CNAA, Collingwood and ThermaSource. Mr. Hoffman received his Bachelor's and Master's Degrees from Northwestern University and his M.B.A. Degree from the Harvard Business School.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Therapeutics | 1 | 100% |
| Biotechnology | 1 | 100% |
| Developer Platform | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Annovis Bio | Annovis Bio is specialty pharmaceutical company founded to develop novel treatments for Alzheimer’s disease (AD), Parkinson’s disease (PD) and other neurodegenerative disorders. The company has two compounds in clinical development: Posiphen® targets early stage AD and PD and may stop or slow the progression of the disease; BNC targets late stageAD and may stabilize the decline. | $3.4M | Post-IPO Equity | Oct 27, 2025 |  |

1 of 1 investments shown.

## About Riverstone Holdings

VC Fund · New York, United States

Riverstone Holdings LLC is a leading private markets asset management firm dedicated to real assets investing primarily in energy, power and infrastructure, founded in 2000 by David M. Leuschen and Pierre F. Lapeyre, Jr. with $38 billion of capital raised.

5 contacts available at Riverstone Holdings.

| Name | Title | Profile |
| --- | --- | --- |
| Christopher A Abbate | Managing Director | https://shizune.co/investors/profile/christopher-a-abbate |
| Meghan Pasricha | Principal | https://shizune.co/investors/profile/meghan-pasricha |
| Michael B. Hoffman | Partner | https://shizune.co/investors/profile/michael-b-hoffman |
| Robert Tichio | Partner and Managing Director | https://shizune.co/investors/profile/robert-m-tichio |
| Andrew J Karian | Managing Director | https://shizune.co/investors/profile/andrew-j-karian |

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## FAQ

### What does Michael B. Hoffman invest in?

Michael B. Hoffman invests primarily in Therapeutics, Biotechnology and Developer Platform startups, most often at Post-IPO Equity stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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