# The Heyman Enterprise

The Heyman Enterprise 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:** 2012
- **Assets under management:** Undisclosed
- **Website:** heymanenterprise.com
- **LinkedIn:** https://www.linkedin.com/company/the-heyman-enterprise

## Regulatory record

- **Reports private funds:** No

## About

The Heyman Enterprise was established in 2012. Larry Heyman serves as CEO. Heyman’s leadership of GAF Materials Corporation. The office invests in public equities, credit, real assets, and direct private opportunities. Confirmed sector focuses include ClimateTech, Energy Transition & Renewables, Industrial Tech, and PropTech. Allocations remain concentrated in North America. Noah Davis acts as Chief Investment Officer and Ilan Mandell serves as Chief Financial Officer. The office supports the Caryl and Larry Heyman Charitable Fund and The Heyman Family Foundation. Larry Heyman holds board roles at Partnership for Public Service and Project Sunshine. The structure centers on direct oversight by the named principals rather than external fund commitments or broad co-investor clubs.

## Sectors

- ClimateTech
- Energy Transition & Renewables
- Industrial Tech
- PropTech

## People

- Larry Heyman — CEO
- Noah Davis — Chief Investment Officer
- Ilan Mandell — Chief Financial Officer
- Samuel J. Heyman — Founder
- Ronnie Heyman — Chairperson of GAF

## Questions

### Who runs investment decisions at The Heyman Enterprise?

Noah Davis serves as Chief Investment Officer. Larry Heyman holds the CEO role. Ilan Mandell serves as Chief Financial Officer.

### What asset classes does The Heyman Enterprise deploy into?

The office allocates across public equities, credit, real assets, and direct private opportunities.

### Which sectors receive focus?

Confirmed focuses include ClimateTech, Energy Transition & Renewables, Industrial Tech, and PropTech.

### Does The Heyman Enterprise maintain philanthropic structures?

Yes. The office supports the Caryl and Larry Heyman Charitable Fund and The Heyman Family Foundation.

## Related profiles

- [The Gate Technologies](https://altss.com/profile/the-gate-technologies-david-weill-family-office)
- [The Hysek Group](https://altss.com/profile/the-hysek-group-jorg-hysek-family-office)

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

Canonical page: https://altss.com/profile/the-heyman-enterprise-llc-larry-heyman-family-office

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