Dr. Kleeman is a board-certified, fellowship trained orthopedic surgeon specializing in spine surgery. He has devoted his career to the innovation and advancement of minimally invasive spine surgery. He is known internationally for his pioneering work on laparoscopic spine surgery and has served as presenter and faculty for spine courses hosted by The North American Spine Society, the American Academy of Orthopaedic Surgery, and the Cleveland Clinic.
He was the founder of the New Hampshire Spine Institute which went on to become the New Hampshire NeuroSpine Institute. His research interests have included minimally invasive spine surgery, artificial spinal disc replacement and alternative spinal fusion bone grafts including recombinant human DNA as well as adult stem cells.