Our Investment Team

Alexsis de Raadt St. James

Managing Partner

  • Founder, Merian Ventures
  • Founder & CEO, YBA Ventures, merged with Main Street
  • US & UK Technology Investor, Board Member & Advisor
  • Director, M&A & Venture Investment, Shell
  • Founder & Funder, Imperial College Innovation Award for Women
  • MIT MS

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Jeffrey Skelton

General Partner

  • Founder & CEO, Symphony Asset Management, $10B alternative asset manager
  • Founder & CEO, Wells Fargo Nikko Investment Advisors, Ltd., London
  • Co-Chief Investment Officer, Wells Fargo Nikko Investment Advisors, Global
  • Assistant Professor of Finance, Haas, UC Berkeley
  • University of Chicago, MBA & PhD

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Marianne Costigan

Venture Partner (London)

  • Sales & Marketing, IBM UK & IBM US
  • Business Development & Alliances, Micromuse
  • Strategy Consulting, McKinsey

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Shea Tate-Di Donna

Venture Partner

  • Women’s capital access expert
  • Founder & CEO of Zana, acquired by Startups.co
  • Founding Team & SVP, True Ventures
  • Duke Fuqua MBA

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Greg Conti

Cybersecurity Expert

  • Research Director, IronNet Cybersecurity
  • Director, Army Cyber Institute
  • Director of Cyber, West Point

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Marta Bulaich

Marketing and PR Director

  • VP Marketing, Canaan Partners
  • Network Associate, DFJ
  • Marketing, Capella Photonics & Senvid
  • Associate, Vanguard Ventures

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Rachel Chalmers

Deeptech Expert

  • Technical analyst
  • Principal, Ignition Partners
  • Infrastructure research at 451

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Meghan McClelland

Deeptech Expert

  • Technical analyst
  • Investment & Operations, Oregon Venture Fund
  • Product, Seagate, Xyratex & LANL
  • VP Product, Versity

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Finance & Administration

Stacey O’Rourke

Office Manager

  • Software Education, MSA Systems
  • Sales and Marketing Administration, Microsoft
  • New Product Marketing Associate, Hewlett-Packard

Karen Pfau-Martinez


  • Accountant and small business advisor
  • Owner of KPM Accounting

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Chloe Miller

Program Support

  • Data Analytics
  • Knowledge Coordinator