​River Street Management is a Memphis, Tennessee-based investment firm specializing in private equity investments across North America. The firm focuses on mature operating companies and later-stage venture-backed businesses, with a diversified portfolio spanning sectors such as insurance, healthcare technology, telecommunications, and specialty retail. The leadership team, including James D. Lackie, Stephen M. Roberts, and Kaleb Tilton, brings extensive experience in venture capital, legal structuring, and financial oversight.