Multi-Family Office

Updated:

Gaia Family Office

Gaia Family Office allocates European family capital across real estate, climate technology and energy from Geneva.

Gaia Family Office logo

Gaia Family Office

John Coast Sullenger established Gaia Family Office in 2002. It functions as a multi-family office based in Geneva. The firm advises an established European family on capital allocation drawn from real estate and private equity origins. Gaia Family Office deploys capital into real estate, climate technology and energy generation. It targets development-stage opportunities. Holdings include the Riviera Marriott Hotel La Porte de Monaco in France and a UK ground rent portfolio. Activity centers on Europe. The firm participates in polo networks including Polo Park Zurich and Geneva Polo Club. It maintains a business relationship with Achernar Assets AG for European acquisitions. No dated operational events from the last 24 months appear in available records.

General information

Firm type

Multi Family Office

Year founded

2002

AUM

Undisclosed

Location

Region

Europe

Country

Switzerland

City

Geneva

Corporate office

Rue Jean-Calvin 14, 1204 Genève, Switzerland

Principals

John Coast Sullenger

Founder and Associate Principal

Sector focus

Real EstateClimateTechAI/MLESG

Frequently asked questions

Who runs investment decisions at Gaia Family Office?

John Coast Sullenger serves as founder and associate principal. He previously worked as a money manager at Lombard Odier.

What asset classes does Gaia Family Office deploy into?

The firm allocates across real estate, climate technology and energy and power generation.

Where does the underlying wealth come from?

Wealth originates from an established European family with entrepreneurial activities in real estate and private equity.

Does Gaia Family Office use any investment vehicles for acquisitions?

It maintains a relationship with Achernar Assets AG, a Swiss-based vehicle used for major European acquisitions.

What geographies does Gaia Family Office focus on?

Activity centers on Europe with confirmed holdings in France, Greece and the United Kingdom.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

Need institutional-grade insight on family offices?

Altss delivers:

Principals with verified direct contactsAllocation history by asset classOSINT-derived deal signals
Book a demo

Prefer a guided tour?

We’ll walk you through:

Interactive funding timelinesCustom mandate & allocation filters
Book a demo

Browse by category

More Geneva Multi Family Office profiles