Mark Terbeek
Partner, Greycroft Partners
Mark is currently a partner at Greycroft Partners, a leading early stage venture capital firm focused on investments in digital media. Previously he was the Managing Director at MK Capital. Mark focuses on investment opportunities in the digital media and data center automation sectors. Prior to founding MK Capital, Mark co-founded Jamcracker, Inc., an enterprise software provider and served as its vice president of corporate development. He also worked at McKinsey & Co., a management consulting firm as a business analyst. He has served on the board of directors of Bladelogic, VPNet Technologies, Network Commerce, Kontiki, and was actively involved at Exodus Communications. He currently serves on the boards of the following MK Capital portfolio companies: Machinima, Generate, Netuitive, and NBX. Mark is a graduate of DePauw University and the Stanford University Graduate School of Business.
Content & Articles by Mark Terbeek
Setting Up A Founder-Led Organic LinkedIn Content Machine With Claude
In this Mucker Growth Series session, we invited Jonathan Martinez, founder and CEO of GrowthPair, to share how founder-led LinkedIn content took his startup from zero to $1M in annual...
Lessons From Building An AI-Native Startup with Octagos
In this Mucker Growth Series session, we invited friends from one of our portfolio companies Haley Chute, CPO & CMO, and Harpreet Marwaha, COO & CFO of Octagos, to share...
How To Craft Your Website Messaging & Positioning as a Startup
In this Mucker Growth Series session, Anthony Pierri, co-founder of FletchPMM, walks through how to craft website messaging and positioning as a startup. FletchPMM is a consultancy that has worked...
2026 New York Tech Week Recap of Mucker Sessions
Mucker Capital went to New York Tech Week to host sessions for founders, operators, and builders thinking through how AI is changing product, growth, and search. Among the sessions were:...
Closing Enterprise Deals in Founder-Led Sales as a Startup
In our recent Mucker Growth Series session, I invited David Mackay, Managing Director at D9Y and one of our operating experts at Mucker, to talk about closing enterprise deals in...
The 10 Security Gaps That Plague Startups Before Their A Round
A NOTE ON SEVERITY Not every item on this list carries the same level of risk. Some are the kind of finding that stops a deal. Others are serious but...