# 10 East

10 East is a Multi Family Office based in New York, United States.

## Overview

- **Organization type:** Multi Family Office
- **Headquarters:** New York, United States
- **Region:** North America
- **Address:** New York, New York, United States
- **Founded:** 2021
- **Assets under management:** 253 (Altss estimate)
- **Website:** 10east.co
- **LinkedIn:** https://www.linkedin.com/company/10east

## Regulatory record

- **Reports private funds:** No

## About

Michael Leffell established 10 East in 2021. The firm draws its capital base from Leffell's prior role at Davidson Kempner Capital Management. 10 East allocates across private equity, private credit, real estate, and venture capital. It structures commitments through direct co-investments and SPVs rather than fund-of-funds vehicles. Investment stages include buyout, growth, and late-stage opportunities. Activity spans North America and Europe. The firm lists seven named professionals. No additional offices appear in available records. No dated operational events from the last 24 months are documented. 10 East maintains a deal-by-deal mandate that allows flexible participation without fixed fund commitments.

## Sectors

- Cybersecurity
- Industrial Tech
- LegalTech
- ClimateTech
- Digital Health
- FinTech
- PropTech
- Supply Chain & Logistics
- Energy Transition & Renewables

## People

- Michael Leffell — Founder
- Jake Gyllenhaal — Co-Founder
- Riva Marker — Co-Founder
- Adam Berkowitz — Partner
- David Levine — Partner
- Michael Kagan — Partner
- Blair Englehart — Principal

## Questions

### Who runs investment decisions at 10 East?

Michael Leffell serves as founder. Jake Gyllenhaal and Riva Marker are listed as co-founders. Five additional partners and principals support operations.

### How does 10 East source proprietary deal flow?

The firm relies on relationships developed through Leffell's prior hedge fund career. It targets direct co-investments and SPVs rather than broad fund commitments.

### Is 10 East structured as a single family office or does it operate more like a venture firm?

It operates as a multi-family office. Capital originates from multiple families and institutional partners rather than a single source.

### Does 10 East participate in fund commitments or only direct deals?

It focuses on direct co-investments and SPVs. Fund-of-funds vehicles are not part of its stated approach.

### What investment stages does 10 East typically target?

Stages include buyout, growth, late stage, and project finance.

## Related profiles

- [VergePointe Capital](https://altss.com/profile/vergepointe-capital)
- [Interplay Family Office](https://altss.com/profile/interplay-family-office)

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Last updated: 2026-06-03T20:00:00.000Z

Canonical page: https://altss.com/profile/10-east

Maintained by Altss — https://altss.com — methodology: https://altss.com/methodology