Leonard Kim is chief medical physicist at the MD Anderson Cancer Center at Cooper. Before coming to Cooper, Leonard was at Rutgers University from 2011-2015, where he was residency director and founded the certificate program. Before coming to New Jersey, Leonard was at William Beaumont Hospital for 10 years where he had the privilege of working with or under 15 Fellows of the AAPM. Leonard’s research was primarily focused on breast radiotherapy, particularly the issue of targeting microscopic disease. He is currently developing a novel dosimeter for use in MR-guided radiation therapy.

Jared Klein, DO, is an Assistant Professor of Emergency Medicine at Cooper Medical School of Rowan University. He graduated from Binghamton University in New York, and received his medical degree from NYIT College of Osteopathic Medicine in Old Westbury, NY. He completed his residency in emergency medicine at Cooper University Hospital and served as chief resident of the program from 2019-2020.

Dr. Klein’s interests are in both undergraduate and graduate medical education. He assists with the Emergency Medicine fourth-year clerkship and works to create new and innovative content, serves as the faculty advisor to the Emergency Medicine Interest Group, and assists in running the simulation and procedure curriculum in resident education. He is passionate about the education of medical students and residents inside and outside of the emergency department and believes that there is always an opportunity for teaching on every shift.

Matthew T. Kleiner, MD is a fellowship-trained Orthopaedic Sports Medicine Surgeon in the Department of Orthopaedic Surgery at Cooper University Hospital and Associate Professor of Orthopaedic Surgery at Cooper Medical School of Rowan University.

He is a graduate of Boston College and then went on to medical school at Temple University School of Medicine. He stayed at Temple to complete his orthopaedic residency in the Department of Orthopaedic Surgery and Sports Medicine at Temple University Hospital. Following residency, he pursued a fellowship in Orthopaedic Sports Medicine at the University of Southern California in Los Angeles.  At both Temple and USC, Dr. Kleiner assisted in the care of Division 1 athletes and learned from true leaders in the field of orthopaedic sports medicine.

After fellowship, Dr. Kleiner practiced in Southern California before returning to the East Coast to join the team at Cooper. Dr. Kleiner is a board-certified orthopaedic surgeon and is a member of the American Academy of Orthopaedic Surgeons, the Arthroscopy Association of North America and the American Orthopaedic Society for Sports Medicine. He greatly enjoys being involved in the training of residents and medical students and is actively involved in research, with several publications to his credit.

Dr. Kleiner specializes in the management of treatment of athletic injuries to the knee, shoulder, elbow, and hip. He helps in coverage of several local high school sports teams and Rowan University.