Who We Are Our Team
Geoff Spillane
Managing Director


At Gridiron Capital, Geoff focuses on new investment opportunities, due diligence, and value creation at current portfolio companies. Geoff serves on the board of HM Dunn AeroSystems.


Prior to joining Gridiron Capital, Geoff was a principal with Brookside International Incorporated, a closely held private equity investment firm focused on buyouts of lower middle-market companies. At Brookside, Geoff closed several transactions and worked directly with management teams to build businesses. Prior to Brookside, Geoff was with Creditanstalt Corporate Finance, where he focused on acquisition finance and investing in lower middle-market companies. He was responsible for all aspects of acquisition finance, including equity co-investments. Geoff began his career with GE Capital’s Corporate Finance Group where he completed the Analyst Training Program.

Educational & Personal

Geoff received a B.A. in economics from Boston College.