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
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Cite this page
Round Funded. "Johannes Grefe." Round Funded investor database, updated October 19, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/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 founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.