# Rattner Family Office

Rattner Family Office is a Single Family Office based in New York, United States.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** New York, United States
- **Region:** North America
- **Address:** New York, NY, United States
- **Founded:** 2009
- **Assets under management:** Undisclosed
- **Website:** stevenrattner.com
- **LinkedIn:** https://www.linkedin.com/company/rattner-family-office/

## Regulatory record

- **Reports private funds:** No

## About

Steven Rattner founded the Rattner Family Office in 2009. His wealth originates from co-founding Quadrangle Group and chairing Willett Advisors, the investment arm for Michael Bloomberg's personal and philanthropic assets. The office targets Energy Transition & Renewables, FinTech, Healthcare Services, Industrial Tech, Media & Entertainment and Mobility & Transportation. It employs direct co-investments, fund of funds, hedge funds and private credit. Activity centers on North America. No public data exists on team size or additional offices. Steven Rattner holds roles at the Council on Foreign Relations, Metropolitan Museum of Art, Brown University and Brookings Institution. No dated operational events from the last 24 months appear in available sources.

## Sectors

- Energy Transition & Renewables
- FinTech
- Healthcare Services
- Industrial Tech
- Media & Entertainment
- Mobility & Transportation

## People

- Steven Rattner — Founder

## Questions

### Who runs investment decisions at Rattner Family Office?

Steven Rattner directs decisions as founder. He previously led Quadrangle Group and chairs Willett Advisors.

### Does Rattner Family Office participate in fund commitments or only direct deals?

The office uses direct co-investments, SPVs, fund of funds, hedge funds and private credit.

### Which sectors does Rattner Family Office target?

Confirmed focuses include Energy Transition & Renewables, FinTech, Healthcare Services, Industrial Tech, Media & Entertainment and Mobility & Transportation.

### How is Rattner Family Office related to Willett Advisors?

Steven Rattner chairs Willett Advisors, which manages Bloomberg family assets, while separately running the Rattner Family Office.

## Related profiles

- [Rao Family Office](https://altss.com/profile/rao-family-office)
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Last updated: 2026-06-03T20:00:00.000Z

Canonical page: https://altss.com/profile/rattner-family-office-steven-rattner-family-office

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