Brian MacMahon
InvestorFounder & Managing Partner at Expert DOJO
Santa Monica, California, United States
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About
Brian MacMahon is founder of Expert DOJO, an institutional investment firm with over 300 startup investments, and co-founder and Chief Strategy and Growth Officer at Matchbook AI, a SaaS platform focused on data quality, matching, and enrichment. His background includes work on customer relationship building and startup growth, with expertise spanning emotional resonance in brand development. Matchbook AI integrates commercial intelligence data from providers including Dun & Bradstreet to support data stewardship functionality.
Experience
- Matchbook AIChief Strategy and Growth Officer at Matchbook AIcurrent2025 — present
- Nathan Family OfficeDirectorcurrent2014 — presentLos Angeles Metropolitan Area
- Expert DOJOHead Honchocurrent2014 — presentSanta Monica, California
- Brand new clean energy city being built in JapanAdvisor of the Fuji Five Lakes Green Metropolis Forumcurrent2025 — presentJapan
- Pay it Forward LabsCEO2011 — 2014Santa Monica, California
- Your Office AgentOwner2009 — 2013Los Angeles
- RegusConsultant1999 — 2009Global
Skills & more
+12 more
Business PlanningReal Estate TransactionsStart-upsNew Business DevelopmentLandlordDue DiligenceInvestment PropertiesBrokerageNegotiationManagementStrategic PlanningLeadershipLanguages Spanish
From Brian's professional profile.
Colleagues at Expert DOJO
Frequently asked questions
- Who is Brian MacMahon?
- Brian MacMahon is founder of Expert DOJO, an institutional investment firm with over 300 startup investments, and co-founder and Chief Strategy and Growth Officer at Matchbook AI, a SaaS platform focused on data quality, matching, and enrichment. His background includes work on customer relationship building and startup growth, with expertise spanning emotional resonance in brand development. Matchbook AI integrates commercial intelligence data from providers including Dun & Bradstreet to support data stewardship functionality.
- Where does Brian MacMahon work?
- Brian MacMahon is Founder & Managing Partner at Expert DOJO.
Shared employers
Also worked at Matchbook AI2
Also worked at Your Office Agent1
Also worked at Regus18
+ 12 more