Alastair (Alex) Rampell
General Partner
Andreessen Horowitz
a16z GP leading Apps, with fintech and marketplace investments and multiple founder exits.
Bio
Professional summary
David George is a General Partner at Andreessen Horowitz, where he leads the Growth investing team. His official profile states that he has led many of a16z's growth investments. Before joining a16z, he spent seven years at General Atlantic, where he worked on growth investments in companies including Airbnb, AppDynamics, CrowdStrike, Opendoor, Slack, and Uber. His profile is most directly relevant for later-stage companies with strong growth characteristics, large markets, and enterprise or consumer internet scale potential.
Investment focus
Stage, sector, and overall fit
Stage
Growth-stage investments
Sector
Growth technologyConsumer internetEnterprise softwareAI stack
Thesis
Growth investingConsumer internet and enterprise software growth companiesAI stack and high-growth technology companies
Notable companies
Selected portfolio companies the partner has backed
AirbnbAppDynamicsCrowdStrikeOpendoorSlackUber
How to approach
Framing and angles for outreach
Pitch framing
Lead with growth quality, market size, durable expansion, and evidence that the company can compound efficiently at scale.
Personalization hooks
- 1Emphasize growth-stage metrics, retention, margin trajectory, and category leadership.
- 2If AI-related, clarify where value accrues in the stack and why the company can sustain advantage.
Recent signals
What the partner has said or done recently
Public 2025 podcast material describes him discussing a16z Growth, AI-stack investing, and how markets price growth.
Background
Career, education, and skills
Career history
- Andreessen Horowitz (a16z)General Partner, Head of Growth FundMar 2019 - Present (7+ years)
- General AtlanticGrowth Equity, Internet & Technology2012 - 2019 (7 years)
- Friedman Fleischer & Lowe (FFL Partners)Associate2008 - 2010 (2 years)
- William Blair and CompanyAnalyst, Investment Banking2006 - 2008 (2 years)
Education
- Stanford Graduate School of BusinessMBA
- University of Notre DameBBA, Finance, Public Policy (summa cum laude)
Skills
Growth equityLate-stage investingEnterprise softwareConsumer internetAI companies
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