About
Steve Lux is the Managing Partner at Topmark Partners (Formerly Stonehenge Growth Equity Partners). Mr. Lux is responsible for the overall operations of Stonehenge Growth Equity Partners, including sourcing, underwriting and executing the firm’s growth equity investments. Since 1999, Mr. Lux has made investments in 17 growth stage businesses located in Florida. Mr. Lux currently serves on the Board or as an observer of Proficient Auto Transport, Health Integrated, Dixie-Southern, Ott-Lite Technologies, and Payformance. He formerly was a director of EDR and VectorLearning, and board observer for AuthenTec and Image Guided Neurologics. He resigned from these boards in conjunction with AuthenTec’s successful IPO and the successful acquisitions of Image Guided Neurologics, EDR and VectorLearning. Mr. Lux is also active in the following organizations: Florida Venture Forum, Association For Corporate Growth – Tampa Bay, University of Tampa Board of Fellows, University of Tampa Entrepreneur
Position in the VCSift Database
- • 2 investors at Topmark Partners are tracked.
- • 1,303 investors hold the Managing Partner role in VCSift. Steven F. Lux is one of them.
- • 241 investors are based in Tampa, Florida, United States.
Data sourced from 410,343 investor profiles. Updated July 2026.
Investment Focus
- Location
- Tampa, US
Contact Information
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