Bill Wiberg
Co-founder at G20 Ventures
Wellesley, Massachusetts
Bill Wiberg, Co-founder at G20 Ventures is an active investor based in Wellesley, Massachusetts. This profile covers what Bill Wiberg backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEInvestor
- Stages
- Early Stage VentureSeedSeries A
- Invests in
- Climate & EnergySaaS & EnterpriseCybersecurityArtificial IntelligenceRobotics & Automation
- Location
- Wellesley, Massachusetts
- Typical check
- $500K
- Past investments
- 13
Notable investments
Coskata
CloudZero
Silicor Materials
Fetcher
Siemplify
Frame AIRive Technology
SavaJe Technologies
GreatPoint Energy
Bonobo AI
Mautic
Aquion EnergyHow to reach Bill Wiberg
Angels and operators like Bill Wiberg reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
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Frequently Asked Questions
What does Bill Wiberg invest in?
Bill Wiberg invests in Climate & Energy, SaaS & Enterprise, Cybersecurity and Artificial Intelligence, typically at Early Stage Venture, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Bill Wiberg invest at?
Bill Wiberg typically invests at Early Stage Venture, Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Bill Wiberg's typical check size?
Bill Wiberg typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do I contact Bill Wiberg?
Unlock Bill Wiberg's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.