Harry Holiday

Harry Holiday III was a Managing Director at Thompson Street Capital Partners, a St. Louis-based private equity firm founded in 2000. Public profiles and TSCP deal announcements place him at TSCP beginning in 2002, with prior operating experience at Owosso Corporation, Emerson Electric, and GE Aircraft Engine.

Before joining TSCP, Holiday was Chief Operating Officer of Owosso Corporation from 1996 to 2002. The Org reports that he previously worked at Emerson Electric from 1992 to 1996 as VP of Operations, after beginning his career in 1982 at GE Aircraft Engine.

His education includes an MBA from the University of Texas at Austin and a BE in Civil Engineering from Vanderbilt University. Equilar, citing TSCP as of February 12, 2026, lists him as a former Managing Director and notes board involvement with ISTO Biologics and former TSCP companies including Allied 100, BarcodesInc, BioIVT, Domaille Engineering, Express Oil Change & Service Center, FocusVision, Healthcare Linen Services Group, Kele, Universal Air Filter, and ZymeFlow.

• TSCP’s strategy is private equity, not seed-stage angel investing: the firm targets middle-market companies with $50 million to $500 million in enterprise value.
• Sector emphasis is concentrated in Life Sciences & Healthcare, Software & Technology, and Business & Consumer Services and Products.
• The firm states that it looks for “asset-light companies with high margins, predictable revenues” and leading positions in niche markets.
• TSCP favors situations where its portfolio-support resources can add value through revenue acceleration, operational improvement, and complementary acquisitions.
• Deal types include recapitalizations, buyouts, corporate divestitures, family-business transitions, and take-private transactions.
• Holiday’s cited transactions skew toward operating-heavy platforms in healthcare/life sciences and engineered products, including ISTO Biologics, Domaille Engineering, ZymeFlow, Kele, and BioIVT.