# Stone Family Foundation

Stone Family Foundation is an Endowment / Foundation based in London, United Kingdom.

## Overview

- **Organization type:** Endowment / Foundation
- **Headquarters:** London, United Kingdom
- **Region:** Europe
- **Address:** London, United Kingdom
- **Founded:** 2005
- **Assets under management:** Undisclosed (Altss estimate)
- **Website:** thesff.com
- **LinkedIn:** https://uk.linkedin.com/company/thesff

## Regulatory record

- **Reports private funds:** No

## About

John Stone established the Stone Family Foundation in 2005. The organization traces its capital to the sale of Lombard International Assurance, a life assurance business Stone founded. Vanessa Stone served as co-founder until her death. The foundation allocates across venture capital at seed, start-up and expansion stages. It targets water, sanitation and hygiene solutions in Africa and Asia. Domestic work covers mental health services and support for disadvantaged youth in the United Kingdom. Confirmed partnerships include Impetus - The Private Equity Foundation. Geographic reach spans the United Kingdom, multiple African countries and parts of Asia. The firm also holds a direct real-estate position at 130 Wood Street in London. Team size and total deployment figures remain undisclosed. The foundation maintains membership in The ImPact, AVPN and GIIN. No operational events from the past 24 months appear in available records. The foundation operates as a grant-making vehicle tied directly to the Stone family rather than a multi-client platform. Governance rests with family trustees and selected business partners who previously held roles at Lombard International Assurance.

## Sectors

- Venture Capital
- Impact Investing

## People

- John Stone OBE — Founder and Chairman
- Vanessa Stone — Co-founder
- Charlie Stone — Trustee
- Charlie Edwards — Trustee
- David Steinegger — Trustee

## Questions

### Who runs investment decisions at Stone Family Foundation?

John Stone serves as founder and chairman. Trustees include Charlie Stone, Charlie Edwards and David Steinegger.

### Does Stone Family Foundation participate in fund commitments or only direct deals?

The foundation makes direct grants and early-stage venture investments. It does not disclose participation in external fund commitments.

### What investment stages does Stone Family Foundation typically target?

Activity centers on seed, start-up and expansion stages within venture capital.

### How is Stone Family Foundation related to Impetus - The Private Equity Foundation?

Charlie Stone serves as a trustee of Impetus, and the two organizations partner on disadvantaged youth initiatives.

### Which sectors does Stone Family Foundation explicitly prioritize?

The foundation focuses on water, sanitation and hygiene in Africa and Asia plus mental health and youth programs in the United Kingdom.

## Related profiles

- [Fondazione Banca del Monte di Lucca](https://altss.com/profile/fondazione-banca-del-monte-di-lucca)
- [Anschutz Family Foundation](https://altss.com/profile/anschutz-family-foundation)

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

Canonical page: https://altss.com/profile/stone-family-foundation

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