Advanced Orthopedic Technologies (AOT) (Guilford, CT) is commercializing an innovative approach to repairing cartilage lesions of the ankle and knee with allograft material or autografts using joints in the foot . The company is developing proprietary tools for obtaining, shaping and implanting cartilage grafts. This novel surgical approach was pioneered by Dr. John Reach, head of the Foot and Ankle Division of Orthopedics at Yale. Elm Street partner, Tom Wood, is the start-up CEO of the company, which co-founder Elm Street Ventures has backed with seed financing. In addition to Tom, Mike Sherman represents Elm Street on the board.