Meet our Team

Michael D. Aiona, M.D.
Chief of Staff and
Director of the Motion Analysis Laboratory

Dr. Aiona's research interests include cerebral palsy, limb length discrepancy equalization procedures and complex foot deformities.

Dr. Aiona currently serves as a member of the editorial staff of Gait and Posture and the Journal of Bone and Joint Surgery. He is a member of the Pediatric Orthopaedic Society of America, a Fellow with the American Academy of Orthopaedic Surgeons and is past president of the Gait and Clinical Movement Society.

He is an associate professor in the Department of Orthopaedics and Rehabilitation at Oregon Health & Sciences University.

Michael D. Sussman, M.D.
Staff Surgeon

Dr. Sussman ;received his orthopaedic training at Johns Hopkins University and completed a pediatric orthopaedic fellowship at the Children’s Hospital in Boston. From 1976 to 1992, he was in the Division of Pediatric Orthopaedic Surgery at the University of Virginia in Charlottesville, Va., and at the time of his departure was director of the Division of Pediatric Orthopaedics. He moved to Portland in 1992 as chief of the medical staff and helped develop a variety of programs including designating clinics for children with neuromuscular diseases, a special clinic for children with skeletal dysplasia, as well as insuring continuity of care for patients at the Shriners Hospital.

Dr. Sussman has particular interest in children with progressive neuromuscular diseases such as muscular dystrophy, spinal muscular atrophy and cerebral palsy. He has been a visiting professor and lectured on these topics throughout the United States, Europe and the Middle East. He has received the Arthur H. Huene award from the Pediatric Orthopaedic Society of North America in recognition of his outstanding contributions to pediatric orthopaedics and in support of future endeavors.

He is on the editorial board of the Journal of Pediatric Orthopedics and the Journal of Pediatric Orthopedics B, (Europe). He has authored many book chapters and academic papers and has edited a book on treatment of cerebral palsy.

J. Ivan Krajbich M.D., FRCS(C)
Staff Surgeon

Dr. Krajbich received his undergraduate degree at the University of Waterloo, and earned his medical degree from the University of Toronto. He completed his residency training in orthopaedic surgery at the University of Toronto. After completing fellowships in tumor surgery and pediatric orthopaedics, he joined the staff at the Hospital for Sick Children in Toronto in 1982. He joined Shriners Hospitals for Children in 1993.

Dr. Krajbich is a Fellow of the Royal College of Physicians and Surgeons of Canada and is a member of numerous professional organizations and associations including Musculoskeletal Tumor Society, Pediatric Orthopaedic Society of North America, Scoliosis Research Society, International Society of Limb Salvage and European Pediatric Orthopaedic Society.

He also holds the position of adjunct associate professor in the Department of Orthopaedics and Rehabilitation at Oregon Health & Sciences University.

Dennis Roy, M.D.
Staff Surgeon

Dennis Roy was recruited from Cincinnati Children's Hospital Medical Center where he was associate director of pediatric orthopaedics. He specializes n disorders of the hip and feet, but treats a variety of pediatric orthopaedic conditions. He is a pioneer in arthrosporic surgery of the hip in adolescents and young adults.

Dr. Roy received his medical degree from the Medical College of Georgia and completed his internship and residency at the National Naval Medical Center, Bethesda, Md. He trained as a Fellow in pediatric orthopaedics at the Scottish Rite Hospital for Children, Atlanta, Ga., and at the Alfred I. DuPont Institute, Wilmington, Del.

Dr. Roy is a member of numerous medical societies including the Pediatric Orthopaedic Society of North America, the European Pediatric Orthopaedic Society, the American Academy of Pediatrics and the American Academy of Cerebral Palsy and Developmental Medicine. He has spoken nationally, internationally and locally on a variety of pediatric orthopaedic conditions. He has a number of publications in a variety of pediatric and orthopaedic journals.

Charles d'Amato, M.D.
Staff Surgeon

Dr. d'Amato is a specialist in the treatment of scoliosis and other spinal disorders as well as a professor at Oregon Health and Sciences University. He completed his medical education at Hahnemann Medical College in Philadelphia, Pa., completed his internship and residency at Monmouth Medical Center in Long Beach, N.J., and a pediatric orthopaedic residency and fellowship at Toronto's Hospital for Sick Children.

He is a fellow of the Royal College of Surgeons of Canada and the American Board of Orthopaedic Surgeons and a member of the Scoliosis Research Society.

For the majority of the past decade d'Amato has been the chief of staff and assistant professor of Orthopaedic Surgery at Brown University School of Medicine in Providence, R.I. His work has been published in The Journal of Pediatric Orthopaedics, the Pediatric Clinics of North America and Spine.

Dr. d'Amato is credited as a co-developer of the Providence Brace for night use in scoliosis patients.