Peter Krebs is Managing Director North America and CIO at Winnow. He is a lifelong entrepreneur and is passionate about the intersection of technology, sustainability, and startups. He founded and grew Sefaira, a real-time SaaS application which helps over 500 architecture and engineering firms worldwide improve their decision making by understanding design trade-offs such as energy, daylight, thermal comfort and cost. In 2016, Sefaira was bought by Trimble SketchUp. Prior to that, Peter founded two successful software businesses in the foodservice space — Webfood and UGryd — both now part of CBORD. Peter holds a BSc and MEng in Civil Engineering from Cornell, an MBA from INSEAD, and a US Patent focused on sustainable building analysis methods.