Atheneum Capital is a single-family office based in Norwalk, Connecticut. Founded by Richard Rankin in 2005, the firm specializes in principal investments in private and public companies, providing vital growth capital to early-stage enterprises. The firm is also involved in investment consulting activities and various philanthropic efforts. The Company focuses its business efforts on the life sciences, green energy, and technology industries. The assets and investments of the firm are managed by the executive team.