Johannes Grefe
Managing Director at Summit Partners
London, England
Johannes Grefe, Managing Director at Summit Partners is an active investor based in London, England. This profile covers what Johannes Grefe backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEInvestment PartnerInvestor
- Stages
- Series B
- Invests in
- Healthcare & BiotechSaaS & EnterpriseRobotics & AutomationCybersecurityMarketplaceManufacturing & IndustrialConsumer & Retail
- Location
- London, England
- Typical check
- $3M
- Past investments
- 84
Notable investments
Advance Health
Striim
DuPage Medical Group
On Robot
Advanced Cell Diagnostics
Darktrace
Jungle Scout
PrismHR
Quay AustraliaNinja RMM
Markforged
PodiumHow to reach Johannes Grefe
Angels and operators like Johannes Grefe 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.
Connect with Johannes Grefe
Frequently Asked Questions
What does Johannes Grefe invest in?
Johannes Grefe invests in Healthcare & Biotech, SaaS & Enterprise, Robotics & Automation and Cybersecurity, typically at Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Johannes Grefe invest at?
Johannes Grefe typically invests at Series B. Lead with traction that fits the stage when you reach out.
What is Johannes Grefe's typical check size?
Johannes Grefe typically writes checks around $3M. Use it as a signal for whether your raise fits their stage.
How do I contact Johannes Grefe?
Unlock Johannes Grefe's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.