Venrock

Decisions are made by a compact partnership of long-tenured general partners. Bryan Roberts has been a partner since 1997 and serves as a central figure; Camille Samuels leads much of the healthcare and life-sciences work, and David Pakman oversees digital and consumer technology. The partnership has recently added Ethan Batraski, an AI and infrastructure specialist, to deepen the firm's technical origination capabilities.

The firm does not invest in oil-and-gas exploration, mining, commodity chemicals, or heavy industrial manufacturing. It also historically avoids sectors with heavy government procurement dependence, such as defense prime contracting, and has not been active in consumer-packaged-goods venture capital except where a technology platform dimension exists. Entertainment studios and pure media content plays are outside of mandate.

Venrock frequently co-invests with other early-stage specialty firms, particularly in healthcare and deep-tech, where syndicate risk-sharing is common. The firm is willing to participate alongside corporate venture arms and crossover funds in later rounds, though it rarely supplies passive capital in a round it does not have a board seat or observer rights in. The partnership prefers to lead or meaningfully co-lead rather than follow.