William Janeway – Startup Investor Profile

William H. Janeway has been an active venture capital investor for almost 50 years, responsible for building the Information Technology investment practice at Warburg Pincus. His investments vary in size and he was involved in creating BEA Systems. Janeway operates at the intersection of technology, finance, economics, and public policy. He discusses the role of the U.S. government in fostering innovation. His investment check size has ranged from initial investments of $54 million that led to a $6.5 billion payout within six years. He emphasizes the historical influence of government projects on innovative technologies. Janeway’s partnership and collaboration styles are not explicitly mentioned in the available sources, but his work indicates a strategic and collaborative approach in the technology and finance sectors.

Location: Mountain View, CA

Country: United States of America

Investment Regions: EU, NA

Investment Stages: pre-seed, seed

Website:

AI Reasoning: Search shows William H. Janeway’s notable investments (e.g., BEA Systems) date from the 1990s and early 2000s; he retired as Vice Chairman of Warburg Pincus in 2006 and is a special limited partner. No evidence of any personal investments in the past several years or since 2006-2010 was found. The most recent investment activity attributable to him publicly is older than 12 months (decades old), and the last identified invested company was BEA Systems. Therefore classify as low-active.

Low Activity – Only known angel investments more than 12 months ago.

Active – Known angel investments between the last 12 and 6 months.

Very Active – Known angel investments in the last 6 months.