Ankur Goyal is the Founder & CEO of Braintrust, a San Francisco-based AI evaluation and observability platform that helps engineering teams ship reliable AI products. Previously VP of Engineering at SingleStore (MemSQL) and founder of Impira (acquired by Figma in 2022), Goyal brings over a decade of distributed systems and ML infrastructure experience to the challenge of making AI applications production-ready. Braintrust has raised $121M in total funding, including an $80M Series B at an $800M valuation in February 2026, backed by ICONIQ Capital, Andreessen Horowitz, and a roster of elite angels including Greg Brockman and Elad Gil.
Rajko Radovanović is an investing partner on the AI and infrastructure team at Andreessen Horowitz (a16z), where he backs the builders reshaping how software is made. He has led or co-led investments in Cursor, Mistral AI, Udio, Luma AI, Black Forest Labs, World Labs, and Braintrust, and runs a16z's Open Source AI Grant Program. Before a16z, he was a venture investor at New Enterprise Associates (NEA), where his portfolio included Perplexity AI, Sentry, and Weaviate. He studied economics and computer science at Harvard, did language studies in Beijing, and attended the United Nations International School — a biography that reads like someone engineered to operate at every intersection of tech, capital, and global culture.