Maria Lewis Kussmaul

Maria is Co-Founder of AGC Partners, and is a partner in the investment banking group and leads the firm’s cyber security practice. Prior to co-founding AGC, Maria was a co-founder, general and venture partner of Castile Ventures, a seed and early stage venture capital firm. Maria’s early Wall Street career spanned three firms – Smith Barney, Shearson Lehman and Cowen & Co., culminating as global head of Cowen’s data networks & Internet investment banking activities. Previously, she was named to the Institutional Investor All-American Research Team for 13 consecutive years. Maria holds a B.A. in Economics from Rutgers University, an M.B.A. from Wharton School of Business and a Chartered Financial Analyst designation.


Maria is a Trustee of the Museum of Science (MoS) in Boston, MA, and chair of the Museum’s Discoverers’ Committee. A former marathoner, Maria now restricts her running to shorter distances and has adopted the annual Washburn Climb of Mt. Washington, New Hampshire’s highest peak, as her chief fundraiser for MoS.  Maria and her husband Wes have three grown children and live in Boston, MA.