Bill Wiberg is the Co-founder and Partner at G20 Ventures, an early-stage venture capital firm based in Boston. See sector focus and contact routes.
Bill Wiberg is the Co-founder and Partner at G20 Ventures, an early-stage venture capital firm based in Boston, Massachusetts, where he leverages a background as a former entrepreneur, CEO, and venture capitalist at Advanced Technology Ventures. His investment thesis targets early-stage B2B enterprise technology companies, with a focus on sectors including cybersecurity, cloud infrastructure, SaaS, developer tools, artificial intelligence, and fintech, primarily located on the U.S. East Coast. G20 Ventures typically invests $2–5 million in Series A rounds, though specific details on whether Wiberg leads or follows deals are not publicly confirmed. Notable portfolio companies he has backed include Evergage, 128 Technology, Hometap, and RippleMatch, with prior exits such as Acme Packet, Starent Networks, and Q1 Labs (acquired by IBM) from his earlier investing career. Wiberg is recognized for focusing on transformative technology startups that solve enterprise problems, though no distinctive public writing or unique point of view beyond his firm’s stated focus has been documented in available sources.
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