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Orthopaedic Research Faculty

Researchers within the Department of Orthopaedic Surgery are innovative thinkers, advancing the field of orthopaedics. Their search for answers and the discovery of new treatment options positively impact the quality of life for Johns Hopkins' patients and their families, as well as individuals and families around the globe.

Photo of Dr. Thomas M. Brushart, M.D.

Brushart, Thomas M., M.D.

Research Interests: Peripheral Nerve Regeneration
Photo of Dr. Ronald P Byank, M.D.

Byank, Ronald P, M.D.

Research Interests: Carpal tunnel syndrome, Imaging of orthopaedic conditions, Ankle fractures, Post-operative delirium in geriatric patients, Nerve entrapment in the foot and ankle
Photo of Dr. Xu Cao, Ph.D.

Cao, Xu, Ph.D.

Research Interests: Osteoarthritis, Osteoporosis, Bone remodeling, Mesenchymal stem cells
Photo of Dr. Thomas Landes Clemens, Ph.D.

Clemens, Thomas Landes, Ph.D.

Research Interests: Skeletal repair, Skeletal development, Osteogenesis, Musculoskeletal biology
Photo of Dr. David Bradford Cohen, M.D., M.P.H.

Cohen, David Bradford, M.D., M.P.H.

Research Interests: Spinal deformities, Patient safety, Scoliosis, Development of large animal osteoporosis model, Vertebral augmentation, Spinal osteoporosis, Clinical outcomes studies
Photo of Dr. Andrew John Cosgarea, M.D.

Cosgarea, Andrew John, M.D.

Research Interests: Knee and shoulder rehabilitation, Adolescent sports injuries, Computer simulation of knee biomechanics, ACL reconstruction, Patellofemoral disorders and treatment, Knee biomechanics, Patellofemoral instability, Throwing shoulder biomechanics, Surgical and nonsurgical treatment of sports injuries
Photo of Dr. Rajwinder Singh Deu, M.D.

Deu, Rajwinder Singh, M.D.

Research Interests: Comprehensive medical care of athletes
Photo of Dr. Erik Anton Hasenboehler, M.D.

Hasenboehler, Erik Anton, M.D.

Research Interests: Orthopaedic rehabilitation, Post-traumatic osteoarthritis, Lower extremity trauma outcomes
Photo of Dr. Casey Jo Humbyrd, M.D.

Humbyrd, Casey Jo, M.D.

Research Interests: Medical Ethics in Orthopedic Surgery
Photo of Dr. Amit Jain, M.D.

Jain, Amit, M.D.

Research Interests: Value-based spine care, Health economics, Cervical myelopathy / stenosis, Spinal degeneration with aging, Minimally invasive spine surgery, Pediatric spinal deformities, Fusionless spine surgery, Outpatient spine surgery
Photo of Dr. Lynne C. Jones, M.S., Ph.D.

Jones, Lynne C., M.S., Ph.D.

Research Interests: Osteonecrosis, Total Joint Replacement, Bone Graft and Bone Graft Substitutes, Animal models of musculoskeletal disease
Photo of Dr. Khaled M Kebaish, M.B.B.Ch., M.S.

Kebaish, Khaled M, M.B.B.Ch., M.S.

Research Interests: Disc degeneration and biological repair, Spine biomechanics, Clinical outcomes in spinal deformity
Photo of Dr. Harpal Singh Khanuja, M.D.

Khanuja, Harpal Singh, M.D.

Research Interests: Joint replacement technologies, Patient safety, Computer-assisted surgery, Osteonecrosis, Cartilage repair
Photo of Dr. Dawn LaPorte, M.D.

LaPorte, Dawn, M.D.

Research Interests: Resident education, Wrist innervation, Wrist pain, Triangular fibrocartilage complex (TFCC) tears, Peripheral nerve
Photo of Dr. Rushyuan Jay Lee, M.D.

Lee, Rushyuan Jay, M.D.

Research Interests: ACL tears, Injuries in Young Athletes, Fractures, Multi-Ligament Knee Injuries, Patellar Dislocations and Instability, Meniscus Tears and Discoid Meniscus, Osteochondritis Dissecans, Arthroscopy, Fracture Care
Photo of Dr. Adam Scott Levin, M.D.

Levin, Adam Scott, M.D.

Research Interests: Nanotechnology and Novel Drug Delivery Platforms for Bone Tumors, Metastatic Bone Disease, Sarcoma
Photo of Dr. Edward George McFarland, M.D.

McFarland, Edward George, M.D.

Research Interests: Sports shoulder injuries, Shoulder replacement surgery, primary and revision surgery, Examination of the shoulder, Epidemiology of shoulder injuries, Injuries to athlete elbow
Photo of Dr. Carol Diane Morris, M.D., M.S.

Morris, Carol Diane, M.D., M.S.

Research Interests: sarcoma, complex limb reconstruction
Photo of Dr. Brian James Neuman, M.D.

Neuman, Brian James, M.D.

Research Interests: Clinical outcomes after reconstructive spinal deformity surgery, Adjacent segment disease, Sagittal imbalance
Photo of Dr. Ryan Christopher Riddle, Ph.D.

Riddle, Ryan Christopher, Ph.D.

Research Interests: Musculoskeletal development, Skeletal metabolism, Wnt signaling
Photo of Dr. Lee Hunter Riley, III, M.D.

Riley, Lee Hunter, M.D. III

Research Interests: Cervical spine disorder, Vertebroplasty, Metastatic disease, Disc degeneration
Photo of Dr. Babar Shafiq, M.D., M.S.

Shafiq, Babar, M.D., M.S.

Research Interests: Periarticular imaging, Pelvic and Acetabulum fracture repair, Ankle/syndesmotic fractures
Photo of Dr. Richard Leroy Skolasky, Jr., M.A., Sc.D.

Skolasky, Richard Leroy, M.A., Sc.D. Jr.

Research Interests: Spine biomechanics, Psycho-social determinates of health, Health disparities, Health services research, Functional outcomes of spine surgery
Photo of Dr. Paul David Sponseller, M.D.

Sponseller, Paul David, M.D.

Research Interests: Marfan Syndrome, Pediatric Spinal Deformity, Bladder exstrophy, Pediatric skeletal trauma
Photo of Dr. Umasuthan Srikumaran, M.D.

Srikumaran, Umasuthan, M.D.

Research Interests: Disorders of the shoulder, clinical outcomes, value analysis research
Photo of Dr. John Edgar Tis, M.D.

Tis, John Edgar, M.D.

Research Interests: Biomechanics, Sports medicine, Knee Ligament Injuries, Hip Dysplasia (dislocated hips), Shoulder Injuries and Dislocations, Osteochondritis Dessicans, Hip Arthroscopy
Photo of Dr. Daniel J Valaik, M.D.

Valaik, Daniel J, M.D.

Research Interests: Adult reconstruction
Photo of Dr. Ranjit Abraham Varghese, M.B.B.S.

Varghese, Ranjit Abraham, M.B.B.S.

Research Interests: Outcomes evaluation, Hip disorders, Cerebral palsy
Photo of Dr. Mei Wan, Ph.D.

Wan, Mei, Ph.D.

Research Interests: parathyroid hormone, LRP6, bone marrow mesenchymal stem/progenitor cells, tissue repair/remodeling, stem cell mobilization
Photo of Dr. John Henry Wilckens, M.D.

Wilckens, John Henry, M.D.

Research Interests: Sports medicine, adolescent sports injuries, ligament reconstruction, running injuries and arthroscopy
Photo of Dr. Feng-Quan Zhou, Ph.D.

Zhou, Feng-Quan, Ph.D.

Research Interests: Epigenetic regulation of neurodevelopment and regeneration, Neural injury and regeneration in the CNS, Spinal Cord Injury and regeneration, Glaucoma and optic nerve regeneration, Peripheral nerve regeneration, Axon guidance, Growth cone cytoskeleton, Live cell imaging and 3D wholemount tissue imaging, Multiomic sequencing (e.g. single cell RNA-/ATAC-seq), GSK3 signaling, Sensory neurons.
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