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AUM

$1+ billion (combined charitable vehicles)

Principals

3

Principal Net Worth

$3.4B

Founded

2014-2018

Data Flags

None - Forbes confirms Brian Acton $3.4B (Forbes 400 #388); team data from foundation websites current; Giving Pledge 2019 verified

Wildcard Giving Research

SFOHigh Confidence

Palo Alto, California (Bay Area)

Last verified: Jan 17, 2026

Details

Website: wildcardgiving.org
Phone: Not publicly available
Source of Wealth: Technology (WhatsApp)
Assets Under Management: $1+ billion (combined charitable vehicles)
Source File: research/organizations/wildcard-giving.md
UID: fo-wildcard-giving

Also Known As

Wildcard GivingActon Family GivingSunlight GivingSolidarity GivingBrian Acton Family OfficeActon Family Office

Principals (3)

Brian ActonCo-founder & PrincipalOWNS

Tegan ActonPrincipal at philanthropic entitiesOWNS

Team Members (12)

Brian ActonCo-founder & Executive Chairman

Cat CollinsGrants Manager

Cedrick AndrewsProgram Director

Emma PompettiManaging Director

Erika MatadamasProgram Officer

Jessica AvendanoProgram Officer

Kelsey LeucharsGrants Manager

Puja MehtaProgram Officer

Sepi AghdaeeProgram Officer

Tegan ActonCo-founder & Principal

Vianey Barroso VillaOffice & Administrative Manager

Zoe TamakiProgram Officer

Related Entities (5)

Acton Family GivingSubsidiary

Empathy and connection

Signal FoundationFoundation

Privacy-focused messaging (Brian is Chairman)

Solidarity GivingSubsidiary

Policy and systems change

Sunlight GivingSubsidiary

Bay Area local philanthropy

Wildcard GivingSubsidiary

Umbrella organization

Known Associates (3)

WhatsApp co-founder (Newlands)

Moxie Marlinspike

Signal co-founder

Signal Foundation

Brian is Executive Chairman

Relationship Strength

Loading relationships...

Sources (7)

Changelog

2025-12-29Updated Current Team section with complete staff roster (12 members), added LinkedIn profiles and background notes for all team members
2025-12-10Initial research file created

Engagement & Preferences