Brian Mac Mahon is the founder, CEO, and Managing Partner of Expert DOJO. See stage focus and contact routes.
Brian Mac Mahon is the founder, CEO, and Managing Partner of Expert DOJO, a Santa Monica-based venture capital firm and accelerator ranked as the seventh most active global venture investor in 2022 with over 260 startup investments. His investment thesis targets very early-stage companies, prioritizing customer growth over investor hype and focusing on startups that solve real problems rather than just pursuing cool ideas. Expert DOJO typically makes small initial checks of $50,000 to $100,000, followed by up to $1 million if the company demonstrates rapid growth with their assistance. While the firm has invested in over 250 startups, specific named portfolio companies like Matchbook AI are identified in his professional profile, where he serves as a co-founder and investor. Mac Mahon distinguishes his approach by emphasizing startup growth acceleration alongside funding, aiming to build institutions people love rather than just products. He actively expands Expert DOJO’s footprint internationally, with plans to establish accelerator offices in the UAE and Saudi Arabia while fundraising for a growth opportunity fund. His public guidance consistently
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