Doug Kingsley

Doug Kingsley co-founded Guidepost Growth Equity and is currently listed by the firm as Co-Founder and Senior Advisor. Guidepost was launched in 2007 as North Bridge Growth Equity and rebranded as Guidepost Growth Equity in 2017. The firm describes itself as a growth equity investor in enterprise-focused technology companies.

Before Guidepost, Kingsley was Managing Director and Co-Head of Advent International’s North American Investment Group. A Proto Labs SEC filing states that he held roles at Advent International from January 1990 to December 2006, most recently as Special Partner, and became a General Partner at North Bridge in January 2007.

Earlier in his career, Kingsley held operating roles at Teradyne and at Alcan Aluminum’s venture capital arm. He has more than three decades of growth equity experience and has served on more than 30 boards of private and public technology companies. He served as a director of Proto Labs beginning in August 2008 and was a member of its compensation committee.

Kingsley earned an M.B.A. with Distinction from Harvard Business School, an A.B. from Dartmouth College, and a B.E. from Dartmouth’s Thayer School of Engineering. Guidepost also lists him as Chairman of the Abigail Adams Institute at Harvard, a board member of the Becket Fund, and a former Trustee of Providence College.

• Guidepost invests $20M-$80M of equity in capital-efficient, growth-stage companies, both for shareholder liquidity and growth initiatives.
• Sector focus is enterprise technology: application software, infrastructure software, technology-enabled services, and data services.
• The firm’s stated approach is to “partner with entrepreneur-led companies utilizing technology to transform industries.”
• Guidepost looks for owner-entrepreneurs building successful, market-defining businesses and provides capital, strategic guidance, and operating support.
• The firm emphasizes scalability work after investment: hiring executives, building public-company-caliber boards, product management, technology infrastructure, finance, sales and marketing, geographic expansion, and acquisitions.
• A founder fit signal: Guidepost has repeatedly been named to Inc.’s Founder-Friendly Investors list, including its fourth consecutive year in October 2025.