Steve K. Lee, MD

Dr. Daluiski is a clinician-scientist specializing in adult and pediatric hand and upper extremity surgery at HSS. He received his medical degree from the University of California, Los Angeles, and completed his clinical training in the Department of Orthopaedic Surgery at UCLA. Dr. Daluiski has also completed a research fellowship concentrating on the molecular aspects of limb development and bone biology. He has completed the Hand and Upper Extremity clinical fellowship at Hospital for Special Surgery. His current research interests include the isolation and study of genes involved with fracture healing and limb development.

Robert A. Christian, MD, MBA, is an orthopedic sports medicine surgeon specializing in the operative and non-operative treatment of athletes of all ages and skill levels, including pediatric and adult patients. He is an expert in arthroscopic and open surgery of the hip and knee. Dr. Christian is interested in arthroscopic hip preservation, focusing on femoroacetabular impingement, labral tears, proximal hamstring injuries, and complex knee pathologies, focusing on cartilage restoration, meniscus injuries, and ligament reconstruction. He also serves as Head team Physician at Iona University. A native of Milwaukee, Wisconsin, Dr. Christian received a B.A. in Economics from Georgetown University and graduated from Georgetown University School of Medicine in 2015. He completed his residency training in orthopedic surgery at Northwestern University, where he served as Chief Resident and was awarded the Brian J. Hartigan, MD, Memorial Award. While in residency, Dr. Christian graduated from the University of Chicago with a Master’s in Business Administration from the Booth School of Business. Following residency, Dr. Christian completed fellowships in Sports Medicine and Arthroscopic Hip Preservation at Duke University in Durham, NC. While there, he served as a team physician for Duke University basketball, football, and baseball teams. Throughout his training, Dr. Christian has been active in academic research, having published over 20 peer-reviewed articles on various topics related to hip arthroscopy, femoroacetabular impingement, quality improvement, value-based healthcare, and surgical techniques. His ongoing research projects focus on optimizing patient outcomes with a particular interest in complex hip and knee pathology. Dr. Christian also has a significant interest in resident and fellow education and mentorship. He is an active member of numerous professional organizations, including the American Academy of Orthopedic Surgeons (AAOS), the American Orthopaedic Society for Sports Medicine (AOSSM), and the Arthroscopy Association of North America (AANA). Outside of his practice, Dr. Christian enjoys golfing, snowboarding, and personal fitness.

Dr. Katherine Rosenwasser is the Chief of Pediatric Orthopedic Trauma at Columbia University Irving Medical Center (CUIMC) / Morgan Stanley Children's Hospital of New York (MSCHONY). She is an expert in the operative and non-operative treatment of lower extremity deformity and musculoskeletal trauma in pediatric patients – from infants to adolescents. Her practice focuses on caring for children with limb-length discrepancies, clubfoot, congenital deformities, and those requiring complex lower extremity reconstructive surgeries. Dr. Rosenwasser’s advanced training allows her to leverage the latest surgical techniques and non-operative therapies to provide life-altering interventions for young patients. After receiving her medical degree from Columbia University’s Vagelos College of Physicians & Surgeons, Dr. Rosenwasser remained at Columbia University Irving Medical Center and NewYork-Presbyterian where she completed residency training in orthopedic surgery, serving as executive chief resident. Following her residency, Dr. Rosenwasser completed dual fellowships in pediatric orthopedic surgery at the Hospital for Sick Children in Toronto, and pediatric limb lengthening and reconstruction under the direction of Dr. John Herzenberg at the Sinai Hospital’s Ruben Institute for Advanced Orthopedics in Baltimore, Maryland. Dr. Rosenwasser is an active member of the academic orthopedic community, both as a member of numerous national organizations and as an active researcher with a variety of ongoing research projects focused on improving patient outcomes for children who require complex orthopedic care.