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Professor Ju Seok Ryu is a distinguished clinician–scientist and internationally recognized authority in rehabilitation medicine, with seminal contributions spanning dysphagia, spinal disorders, pediatric rehabilitation, neuromuscular medicine, and rehabilitation engineering. As a tenured Professor and current Chair of the Department of Rehabilitation Medicine at Seoul National University College of Medicine and Seoul National University Bundang Hospital, he has played a pivotal role in advancing evidence-based rehabilitation practices that directly translate into improved patient outcomes across the lifespan. Dr. Ryu’s research is particularly renowned for transforming the assessment and treatment of dysphagia. He is widely regarded as a pioneer in the clinical application of high-resolution manometry (HRM) for swallowing disorders, producing foundational work that clarified pharyngeal pressure dynamics, upper esophageal sphincter physiology, and aspiration mechanisms. His studies integrating HRM with videofluoroscopic swallowing studies and electromyography have established new diagnostic standards and informed precision-based dysphagia management. More recently, he has led innovative research incorporating machine learning, deep learning, and voice analysis to predict aspiration risk, opening new pathways for noninvasive screening and digital health solutions. In parallel, Professor Ryu has made major contributions to neuromuscular electrical stimulation (NMES), particularly the development and validation of sequential 4-channel NMES systems for dysphagia rehabilitation. Through rigorously designed randomized controlled trials published in high-impact journals, his work has demonstrated superior clinical and biomechanical outcomes compared with conventional stimulation approaches, influencing rehabilitation protocols worldwide. His research portfolio also encompasses spinal pain, scoliosis, cerebral palsy, and pediatric neurorehabilitation, with notable advances in understanding abnormal muscle activation patterns, brace biomechanics, gait analysis, and hip displacement prevention in children with severe cerebral palsy. By combining surface electromyography, three-dimensional imaging, and biomechanical modeling, Dr. Ryu has provided mechanistic insights that directly inform individualized rehabilitation strategies. Beyond clinical research, Professor Ryu is deeply engaged in translational innovation, holding more than 20 patents and contributing to medical device and software development aimed at improving rehabilitation diagnostics and therapies. His scholarly output includes over 180 peer-reviewed publications, numerous book chapters in leading rehabilitation texts, and sustained funding from competitive national programs. His work has been recognized with multiple prestigious international and domestic awards, reflecting its global impact. Equally notable is his commitment to academic leadership and mentorship. Professor Ryu has trained generations of physicians, researchers, and allied health professionals, while actively contributing to international societies and guideline development.
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Dr. John M. Dundon is a board-certified orthopedic surgeon and clinician–scientist with a distinguished research profile focused on adult reconstruction, total hip and knee arthroplasty, surgical innovation, and value-based orthopedic care. As a Full Partner at Tri-County Orthopedics and previously at the Orthopedic Institute of New Jersey, Dr. Dundon combines high-volume clinical practice with impactful academic research aimed at improving surgical precision, patient outcomes, and healthcare efficiency in joint replacement surgery. A central theme of Dr. Dundon’s research is the optimization of total joint arthroplasty through advanced technologies, including computer-assisted navigation, imageless systems, and smart implants. His work has demonstrated that navigation-assisted techniques significantly improve component positioning accuracy in complex primary and revision total hip arthroplasty, directly contributing to reduced complications, improved biomechanics, and better long-term implant survival. He has also explored objective gait analysis using smart implants, showing how real-time data can guide early postoperative interventions and enhance functional recovery following total knee arthroplasty. Dr. Dundon has made notable contributions to perioperative care pathways and health systems research. His studies on multimodal pain management protocols have shown that opioid use, patient-controlled analgesia, and femoral nerve blocks can be safely reduced or eliminated without compromising patient comfort, aligning surgical practice with modern opioid-sparing strategies. Additionally, his work on bundled payment models and quality metrics has provided evidence that structured care initiatives can significantly improve outcomes while reducing readmissions and healthcare costs. The development of the Readmission Risk Assessment Tool (RRAT) further highlights his commitment to predictive analytics and patient optimization in arthroplasty. His research portfolio also addresses implant biomechanics, tribocorrosion, femoral stem sizing, leg-length discrepancy correction, and postoperative imaging utilization, reflecting a comprehensive approach to both technical and clinical challenges in orthopedic surgery. Dr. Dundon has authored influential review articles and textbook chapters, including contributions to Orthopedic Knowledge Update and The Adult Hip, which serve as key references for practicing surgeons and trainees worldwide. With an extensive record of peer-reviewed publications, national and international presentations, and leadership roles within major orthopedic societies such as the American Academy of Orthopaedic Surgeons and the American Association of Hip and Knee Surgeons, Dr. Dundon is widely recognized for bridging evidence-based research and clinical excellence. His research profile reflects sustained innovation, interdisciplinary collaboration, and a clear commitment to advancing the safety, effectiveness, and value of modern joint replacement surgery.
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