WILLIAM BRYK

William Bryk is the Founder of Exa, an artificial intelligence search and data platform based in the San Francisco Bay Area. He previously studied computer science and physics at Harvard University, where he led the robotics club, conducted machine learning research, and authored a book on civilization history. Prior to establishing his current venture, Bryk worked as a software engineer at Cresta, an enterprise AI customer service startup. He founded Exa in 2023 to build tools for accessing web-scale knowledge, subsequently raising $17 million in seed funding that same year. The company launched the public beta of its web indexing and search API in late 2024 and secured an additional undisclosed funding round in early 2025. Bryk maintains a primary focus on advancing information retrieval technology and machine learning systems to improve data quality for artificial intelligence applications.