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Marc Andreessen
Status
Born in 1971 (age –). Living in Atherton, California, USA.
Criminal status: No personal criminal convictions per public record
Summary
Marc Andreessen co-created the Mosaic web browser) in 1993 while at the University of Illinois, making the early internet accessible to general users for the first time. He co-founded Netscape Communications in 1994, and its landmark IPO in 1995 helped launch the first commercial internet boom.
AOL acquired Netscape for USD 4.2 billion in 1999. He later co-founded Loudcloud, which as Opsware was sold to Hewlett-Packard for USD 1.6 billion in 2007.
In 2009, Andreessen co-founded Andreessen Horowitz (a16z) with Ben Horowitz. The firm grew from an initial USD 300 million fund to managing USD 90 billion in assets under management as of early 2026, investing across software, biotech, crypto, and consumer technology. Andreessen serves as co-founder and General Partner and, as of mid-2026, holds concurrent advisory seats on the Pentagon's Defense Policy Board and a Federal Reserve task force studying AI's economic impact.
Business Relationships
Andreessen co-founded Andreessen Horowitz in 2009 with Ben Horowitz, who serves alongside him as co-founder and General Partner. Andreessen has collaborated with Elon Musk in the political arena -- most directly in late 2024 when he volunteered to interview and recruit staff for Musk's Department of Government Efficiency, spending significant time at Mar-a-Lago advising the incoming Trump administration on technology and economic policy. He served as a board member of Meta (Facebook) alongside Mark Zuckerberg, and previously on the boards of eBay and Hewlett-Packard. He has served as a director of Coinbase since December 2020.
Ownership
Andreessen serves as co-founder and General Partner at Andreessen Horowitz, the venture capital firm he co-founded in 2009. The firm operates USD 90 billion in assets under management across multiple funds including growth equity, bio, crypto, and games, including USD 3.4 billion committed specifically to AI-focused strategies in January 2026. As a General Partner, Andreessen directly oversees investment decisions across the firm's portfolio and earns carried interest tied to portfolio company performance. He has previously served on the boards of Hewlett-Packard, eBay, and Meta. He has served as a director of Coinbase since December 2020, personally selling USD 118 million in stock through the firm's 2021 direct listing.
Family & Heirs
Andreessen is married to Laura Arrillaga-Andreessen, a philanthropist and former Stanford University professor who chaired Stanford's Center on Philanthropy and Civil Society. The couple runs the Marc and Laura Andreessen Foundation and have given jointly to public health, tech diversity, and veterans' causes. In 2025, Andreessen warned in a private chat with White House officials that Stanford's decision to remove Laura as center chair would cost the university approximately USD 5 billion in future donations.
Evidence
2007-11-09 - 😇 - Marc and Laura Andreessen donate USD 27.5M to Stanford Hospital for a new Emergency Department
2012-04-25 - 😇 - Andreessen Horowitz general partners commit to donating at least half of all VC career income to charity
2014-10-08 - 😇 - Marc and Laura Andreessen donate USD 500K to Code2040, Girls Who Code, and Hack the Hood to reduce racial and gender gaps in tech
2016-03-25 - 😇 - Marc and Laura Andreessen donate USD 275K to four nonprofits supporting military veterans entering the tech sector
2020-04-23 - 😇 - Marc and Laura Andreessen donate USD 2M to Stanford Health Care to support its COVID-19 pandemic response
2024-10-16 - 😈 - Marc Andreessen donates USD 2.5M to pro-Trump Right for America PAC as a16z portfolio companies face CFPB regulatory enforcement
Analysis
Andreessen's record divides sharply across time. His early philanthropic commitments -- a USD 27.5 million emergency-room gift, a formal pledge to donate half of all VC income to charity, and direct grants to tech-diversity and veterans' nonprofits -- represent substantial and documented civic generosity. These contributions predated, and stand apart from, the political activities that have defined his more recent years.
From 2022 onward, a different pattern emerges. His personal letter blocking multifamily housing in one of the wealthiest zip codes in America directly contradicted his own famous manifesto urging the country to build more. His USD 5 million in political donations to the Trump administration, combined with a DOGE recruiting role and false public statements about consumer-protection regulation, set off a documented chain of regulatory rollback.
The Consumer Financial Protection Bureau -- the agency most actively pursuing enforcement against a16z portfolio companies -- was systematically dismantled, with settlements renegotiated in favor of firms his fund backed. ProPublica's November 2025 investigation traced the causal chain from political donation to specific regulatory outcomes in detail.
A Delaware court added a judicial finding to this pattern in January 2026, refusing to dismiss a shareholder suit alleging insider trading around Coinbase's 2021 direct listing. The court found that the committee convened to clear Andreessen and his fellow directors was itself compromised: the lead investigator had a decades-long financial relationship with Andreessen, including USD 850,000 Andreessen personally invested in the investigator's firm and at least 50 co-investments since 2019.
The same pattern of accepting government-adjacent influence roles while his firm's portfolio stands to benefit continued through mid-2026. Andreessen joined the Pentagon's Defense Policy Board while a16z-backed drone and public-safety companies compete for the exact federal contracts the board's policy guidance shapes. He then co-led a new Federal Reserve task force assessing whether AI is inflationary -- a question with direct financial stakes for the USD 3.4 billion his firm had just committed to AI investments, and a role for which the Fed, unlike most federal agencies, imposes no financial-disclosure or recusal requirement.
Questions
Does political and regulatory advocacy by a venture capitalist managing USD 90 billion in assets -- whose firm's portfolio companies were actively under enforcement by the regulatory agency he campaigned to destroy, and who now sits on both a Pentagon advisory board and a Federal Reserve task force with direct bearing on his own holdings -- constitute legitimate participation in public life, or does the documented financial benefit transform it into something else? How should a substantial philanthropic record be weighed against a documented and escalating pattern of self-dealing across regulatory, defense, and monetary-policy institutions?
Redemption Arc
His trajectory since 2022 has moved steadily toward political and institutional influence deployed in service of his firm's regulatory and financial interests -- a direction that has accelerated, not reversed, as his wealth, government access, and portfolio exposure to AI and defense have grown.