Alastair (Alex) Rampell
General Partner
Andreessen Horowitz
a16z GP leading Apps, with fintech and marketplace investments and multiple founder exits.
Partner, Speedrun Investing Team·Andreessen Horowitz
Professional summary
Troy Kirwin is an investing partner at Andreessen Horowitz and a cohort lead for a16z speedrun. He invests in B2B AI and creative technology companies, including storytelling and design tools, marketing technology, 3D simulations, and vertical AI agents. Before a16z, he worked in corporate strategy and development at Unity, where he led more than 20 acquisitions including Parsec and IronSource, and began his career in investment banking at Jefferies.
Selected portfolio companies the partner has backed
Career, education, and skills
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