JN

Johannes N. Grefe

Managing Director at Summit Partners

London, UK

About

Johannes N. Grefe joined Summit Partners in 2012. He is a German national and speaks English, German, and Spanish. Prior to Summit, he worked for Vitruvian Partners, TA Associates and Lazard. Based in Summit’s London office, Johannes is active in the firm’s investment activities in Europe. His investments and board directorships include Peak Well Systems. Johannes received an MSc in industrial engineering from the University of Karlsruhe in Germany and an MS in engineering management from Portland State University.

Position in the VCSift Database

  • 51 investors at Summit Partners are tracked.
  • 1,801 investors hold the Managing Director role in VCSift. Johannes N. Grefe is one of them.
  • 8,972 investors are based in London, England, United Kingdom.

Data sourced from 410,343 investor profiles. Updated July 2026.

Investment Focus

Location
London, UK

Contact Information

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