Walden Catalyst Ventures is an early-stage venture capital firm founded in 2021 by tech industry veterans Young Sohn and Lip-Bu Tan. Walden Catalyst focuses on deep-tech investments, particularly in areas such as artificial intelligence, big data, semiconductors, cloud computing, and digital biology. Operating across the U.S., Europe, and Israel, Walden Catalyst aims to support startups that leverage data and AI to drive innovation. With an inaugural fund exceeding $550 million, the firm has invested in companies like AI21 Labs, MindsDB, and Speedata.