Investment Stage

Focus Areas

About Investor

John Glencross is the Co-Founder and CEO of Calculus Capital, one of the UK's leading venture capital firms focused on growth-stage technology companies. He invests primarily in Series A and Series B businesses across SaaS, Healthcare, Biotechnology, and Medical Devices. Calculus Capital typically invests between $1M and $4M, with average investments around $2M. John has decades of venture investing experience and works closely with founders on scaling operations, raising follow-on funding, and international expansion. He is particularly interested in businesses with strong commercial traction and defensible technology.