# Jack, Joseph and Morton Mandel Foundation

Jack, Joseph and Morton Mandel Foundation is an Endowment / Foundation based in Cleveland, United States.

## Overview

- **Organization type:** Endowment / Foundation
- **Headquarters:** Cleveland, United States
- **Region:** North America
- **Address:** 1000 Lakeside Avenue, Cleveland, OH 44114, United States
- **Founded:** 1953
- **Assets under management:** Undisclosed
- **Website:** mandelfoundation.org
- **LinkedIn:** https://www.linkedin.com/company/mandel-foundation

## Regulatory record

- **Reports private funds:** No

## About

The Jack, Joseph and Morton Mandel Foundation traces to 1953 when brothers Jack, Joseph and Morton Mandel created the entity. The foundation maintains headquarters in Cleveland and an Israel headquarters in Jerusalem. The foundation allocates across private equity, public equities and real assets. Confirmed positions include holdings in The Riverside Company through Parkwood LLC and limited partnership interests in Deerfield Management, Lone Star Funds and Warburg Pincus. Geographic exposure centers on the United States and Israel. It integrates mission-related investing and program-related investing to align endowment assets with philanthropic objectives. Assets total an estimated $2 billion. The foundation maintains additional offices in Israel and supports vehicles including the Mandel Institute for Nonprofit Leadership. A recent operational event includes sponsorship of the Mandel Opera & Humanities Festival in Cleveland in May 2023. Parkwood LLC serves as the dedicated investment advisor and operating company, creating a hybrid structure that separates grantmaking from asset management while retaining family oversight through trustees.

## Sectors

- Education
- Healthcare

## Offices

- Jerusalem, Israel

## People

- Jehuda Reinharz — President and CEO
- Stephen H. Hoffman — Chairman of the Board of Trustees
- Adam Langsam — CEO of Parkwood LLC and Trustee

## Questions

### Who runs investment decisions at the Jack, Joseph and Morton Mandel Foundation?

Adam Langsam serves as CEO of Parkwood LLC, the investment advisor. Jehuda Reinharz acts as President and CEO of the foundation itself.

### How is the foundation related to Parkwood LLC?

Parkwood LLC functions as the investment advisor and holds operating company status for the foundation's assets.

### Does the foundation participate in fund commitments or only direct deals?

It holds limited partnership interests in funds managed by Deerfield Management, Lone Star Funds and Warburg Pincus.

### What investment stages does the foundation typically target?

Allocations include venture capital, early stage, growth, buyout and secondaries strategies.

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Last updated: 2026-08-10T15:58:45.833Z

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