Multi-Family OfficeRIA · CRD 285193SEC-RegisteredPrivate Fund Adviser

Updated:

Arrowroot Family Office

Arrowroot Family Office was established in 2013 by Rob Santos. The firm originated from wealth created in financial advisory and capital markets work.

Arrowroot Family Office logo

Arrowroot Family Office

Arrowroot Family Office was established in 2013 by Rob Santos. The firm originated from wealth created in financial advisory and capital markets work. It operates as a multi-family office providing coordinated services without account minimums. The firm allocates across private equity, real estate, venture capital, secondaries, and direct co-investments. It also holds exposure to digital assets and philanthropic vehicles. Geographic reach covers North America, Europe, and Asia. Technology focuses include AI/ML, enterprise software, and Web3. No specific portfolio holdings or co-investors are publicly named. The team reports over 100 years of combined fiduciary experience. Additional offices operate in Northern California, Michigan, Virginia, and Washington State. The firm is employee-owned. moat_notes: Sources provide no named deals, portfolio companies, or dated events after 2013. Coverage remains thin on investment activity and governance details.

General information

Firm type

Multi Family Office

Year founded

2013

Location

Region

North America

Country

United States

City

Marina del Rey

Corporate office

Marina del Rey, CA, United States

Additional offices

Northern California · Michigan · Virginia · Washington State

Principals

Rob Santos

CEO

Sector focus

PropTech

Frequently asked questions

Who runs investment decisions at Arrowroot Family Office?

Rob Santos serves as CEO. The firm assigns client teams based on planning needs rather than a single CIO structure.

Does Arrowroot Family Office participate in fund commitments or only direct deals?

The firm uses fund-of-funds, direct co-investments, and SPVs according to its listed investment types.

Where does the underlying wealth come from?

Wealth originated from financial advisory and capital-markets activities of founder Rob Santos.

What investment stages does Arrowroot Family Office typically target?

Stages include buyout, growth, and venture capital.

How is Arrowroot Family Office structured relative to single-family offices?

It operates explicitly as a multi-family office serving multiple affluent families and entrepreneurs.

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 Marina del Rey Multi Family Office profiles