Alastair (Alex) Rampell
General Partner
Andreessen Horowitz
a16z GP leading Apps, with fintech and marketplace investments and multiple founder exits.
Bio
Professional summary
Sarah Wang is a General Partner at Andreessen Horowitz on the Growth team. The provided source and her a16z author profile state that she leads growth-stage investments across AI, enterprise applications, and infrastructure. Public profiles list company relationships including Character.AI, Crossbeam, Hex, Gamma, Cursor, Decagon, Thinking Machines Lab, Wiz, Sourcegraph, OpenAI, Databricks, SpaceX, Samsara, and Figma, but those company lists should be treated as supplemental unless confirmed from an official a16z profile.
Investment focus
Stage, sector, and overall fit
Stage
Growth-stage investments
Sector
AIEnterprise applicationsInfrastructure
Thesis
Growth-stage AIEnterprise applicationsInfrastructure
Notable companies
Selected portfolio companies the partner has backed
Character.AICrossbeamHexGammaCursorDecagonThinking Machines LabWizSourcegraphOpenAIDatabricksSpaceXSamsaraFigma
How to approach
Framing and angles for outreach
Pitch framing
Lead with growth-stage proof points, AI enterprise adoption, infrastructure defensibility, and why the company can become a large platform.
Personalization hooks
- 1Use enterprise AI, infrastructure, and growth-stage metrics if they are central to the company.
- 2Emphasize enterprise buying behavior, expansion, and durable AI value capture.
Recent signals
What the partner has said or done recently
Provided a16z Big Ideas 2026 source identifies her with the Growth team and AI, enterprise applications, and infrastructure focus.
Background
Career, education, and skills
Career history
- Andreessen Horowitz (a16z)General Partner, Growth TeamPresent
Education
- Harvard UniversityDegree not specified
Skills
Growth investingEnterprise softwareAI applicationsInfrastructureSaaS
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