Ceniarth
London impact-first single family office of Diane Isenberg (est. 2013), investing via private credit funds, intermediaries and direct loans for underserved communities; $837M AUM.
USEFUL FOR Fund managers raising capital · Co-investors
Family & background
- FAMILY
- Isenberg
- WEALTH ORIGIN
- Eugene Isenberg's industrial enterprises, notably Nabors Industries (CEO and Chairman)
- HEADQUARTERS
- London, United Kingdom
- FOUNDED
- 2013
- AUM
- $837M (2025)
Investment approach
- GEOGRAPHY
- GlobalUnited StatesUnited Kingdom
- ROUTES
- Direct investments · Funds (as LP)
- STRATEGIES
- ImpactPrivate creditReal estateFunds (as LP)Direct investments
- TICKET
- $250K–$5M
- INBOUND
- Accepts submissions
Overview
Ceniarth is the single family office of Diane Isenberg, founded in 2013 to manage her personal assets and the endowment of the Isenberg Family Charitable Foundation; the wealth originated with her late father Eugene Isenberg, former CEO and Chairman of Nabors Industries. It aims to place its whole capital base in impact-first investments for marginalised communities, mainly through private credit, real estate and real assets funds plus direct lending to microfinance institutions, social enterprises and community lenders. The team is based mainly in London with staff in New York and San Francisco. It reports $837M in assets, with 125 fund and 62 direct investments.
Investment thesis
Impact-first: capital goes first to low-income and vulnerable communities, often catalytic and flexible on risk and return, targeting a blended portfolio return of about 4-5% that covers expenses and inflation.
Holdings & investments (54)
- Working Capital for Community Needs (WCCN)since 2026
- Women's and Children's Health Technology Fund IIsince 2026
- Sella RanchFood & Agriculture · since 2026
- Kiva Refugee Investment Fund IIsince 2026
- Grameen Americasince 2026
- Community Finance Irelandsince 2026
- California FarmLinkFood & Agriculture · since 2026
- AHL Africa Credit Fund Isince 2026
- ValencyFood & Agriculture · since 2025
- Social Investment Scotland Community Financesince 2025
- SVC Stays Ecolodgesince 2025
- ROC ICS Sonora EstatesReal Estate & PropTech · since 2025
- Open Road Impact Fundsince 2025
- NESsT Lirio FundFood & Agriculture · since 2025
- Mad Capital Perennial Fund IIFood & Agriculture · since 2025
- Low Carbon HubClimate & Energy · since 2025
- Lendable Transportation and Energy Fundsince 2025
- Kuali Fundsince 2025
- Hatch AfricaFood & Agriculture · since 2025
- Fos Feminista (INNOVA)since 2025
- Energy Catalyst Fund IClimate & Energy · since 2025
- EcoEnterprises Partners IVFood & Agriculture · since 2025
- Dirt Capital Partners 2023Food & Agriculture · since 2025
- Blue Earth Global Impact Credit Fundsince 2025
- Beyond GoodFood & Agriculture · since 2025
- Avanza Solidosince 2025
- Apis & Heritage Legacy Fund IIsince 2025
- Alder Point CapitalFood & Agriculture · since 2025
- Transform Health Fundsince 2024
- Thanksgiving Coffee CompanyFood & Agriculture · since 2024
- SamunnatiFood & Agriculture · since 2024
- SHARE Guatemalasince 2024
- Rose Affordable Housing Preservation Fund VIReal Estate & PropTech · since 2024
- Robust InternationalFood & Agriculture · since 2024
- Procreditosince 2024
- Onyx CoffeeFood & Agriculture · since 2024
- Jackfruit Financesince 2024
- Island Housing TrustReal Estate & PropTech · since 2024
- Ilu Women’s Empowerment Fundsince 2024
- IBIS RiceFood & Agriculture · since 2024
- GrainProFood & Agriculture · since 2024
- Food4Educationsince 2024
- Dentis+asince 2024
- Dayspring Healthsince 2024
- CrediCamposince 2024
- Coastal Enterprisessince 2024
- Camco REPP2Climate & Energy · since 2024
- Balloon Venturessince 2024
- BRACsince 2024
- Azure Source Capitalsince 2024
- Appalachian Community Capitalsince 2024
- Acre Export Finance Fundsince 2024
- Accion Venture Lab Fund IIsince 2024
- AccesoFood & Agriculture · since 2024
People
- Stefan FreemanHead of Investments, Board Member · source
- Vince KnowlesPrincipal, Investments & Strategy · source
- Victoria CameronInvestment Manager · source
- Dominique CarriéInvestment Manager · source
- Helena GostelowInvestment Officer · source
- Alexandra AmesInvestment Officer · source
- Ryan PringleInvestment Officer · source
- Kipp ElkingtonInvestment Operations Lead · source
- Belen MoronoInvestment Associate · source
- Nevena Haure-PetersenInvestment Associate · source
- Stephen HeaneyInvestment Associate · source
- Diane IsenbergFounder, Managing Director, Board Member · source
- Greg NeichinManaging Director, Board Member · source
- Rose EvangelistaSenior Manager, Board Member · source
- Robert DumontBoard Member · source
- Karla KahilOrigination & Impact Associate · source
Classification
Single Family Office. Manages one family's own capital, with no outside investors. The family bears every loss. How family capital is classified →
FAQ
Ceniarth is a single family office based in London, the United Kingdom, founded in 2013.
Ceniarth invests on behalf of the Isenberg family (Eugene Isenberg's industrial enterprises, notably Nabors Industries (CEO and Chairman)).
Ceniarth invests directly in companies and in third-party funds as an LP. Its stated asset mix includes impact, private credit, real estate, funds (as lp) and direct investments.
Ceniarth invests in Food & Agriculture, Real Estate & PropTech and Climate & Energy.
Ceniarth's stated ticket size is $250K–$5M.
Key people at Ceniarth include Diane Isenberg (Founder, Managing Director, Board Member), Greg Neichin (Managing Director, Board Member), Stefan Freeman (Head of Investments, Board Member) and Rose Evangelista (Senior Manager, Board Member).
Ceniarth's holdings and investments include Working Capital for Community Needs (WCCN), Women's and Children's Health Technology Fund II, Sella Ranch, Kiva Refugee Investment Fund II, Grameen America, Community Finance Ireland, California FarmLink and AHL Africa Credit Fund I, among others.
Ceniarth states that it accepts submissions through its official contact page.