Unreasonable Mentors

Peter Bruce-Clark

Founder & General Partner at Kalytix Ventures

Peter is an Unreasonable Mentor. Peter has participated in 2 programs, including Unreasonable Impact UK & Europe 2025, and has advised over 26 Unreasonable companies.
Peter is Founder & General Partner at Kalytix Ventures.
With over ~10 years of experience in venture capital, before Kalytix, Peter was Partner at Social Impact Capital, a global Seed-Series A VC firm based in New York City. A top-decile fund producing above market returns, SIC invests in enterprise software, consumer, hardware, climatetech, healthtech, biotech, fintech, synthetic biology, and advanced materials across countries and impact domains. SIC is backed by legacy VCs including Marc Andreessen & Chris Dixon, Peter Thiel, Phil Black, David Sacks, Rob Hayes, Matt Ocko & Zachary Bogue, along with family offices, RIAs, and fund-of-funds.
Prior to joining the firm Peter was Head of Business Development at Real Capital Innovation (acquired by Addepar), an investment technology platform backed by 8VC and Soros Fund Management. Peter started his career in Silicon Valley by creating an early-stage venture capital firm focused on high-impact areas of AI application, and institutional investor strategy consultancy, Kalytix Partners (acquired).
A leading theorist on VC and PE impact investments and sovereign wealth funds, Peter has led research over the last decade on impact finance, collaborating with Oxford University, Stanford University, Planet Heritage, and White Sand Investor Group (Donnelley family). His publications include Impact investments: a call for (re)orientation (2021), widely endorsed by organizations such as the SEC and G7, and Sovereign Development Funds: The Governance and Management of Strategic Investment Institutions (2018), which was published in The Oxford Handbook of Sovereign Wealth Funds.