William D. Porteous serves as General Partner and Chief Operating Officer at RRE Ventures. See sector focus and contact routes.
William D. Porteous serves as General Partner and Chief Operating Officer at RRE Ventures, a New York-based venture capital firm where he has worked for over 25 years. Before entering venture capital, he held senior marketing and product management roles at SupplyWorks and NetMarket, an early e-commerce company. Porteous primarily invests in media and hardware companies, focusing on startups within New York City, reflecting RRE Ventures’ geographic concentration. He has served on more than 20 boards and acts as a director for BuzzFeed, Paperless Post, Spaceflight, and Spire Global. His firm’s notable portfolio includes Buzzfeed, The Huffington Post, Giphy, and Paperless Post. While specific check sizes and lead/follow behavior are not publicly detailed, his extensive board involvement suggests active, often lead, participation in deals. Porteous has discussed venture metrics and fund structures publicly, including an appearance on the “20VC” podcast where he addressed how LPs measure manager success.
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