The Tetradapt Initiative Team

The Tetradapt Initiative began over 10 years ago when founder and visionary, Jeffrey Rosenbluth, M.D., dreamed of a better and more aspirational way to deliver the latest technology for adaptive sports and recreation to people living with spinal cord injuries or disease. Tetradapt works in coordination with the University of Utah's best engineering, research, business, and medical minds to design, manufacture and deliver state-of-the art equipment and devices to individuals living with paralysis.



Jeffrey Rosenbluth, M.D., is the Medical Director of the Spinal Cord Injury Acute Rehabilitation program at the University of Utah Health Sciences Center, and at South Davis Community Hospital for sub-acute and long-term acute Spinal Cord Injury programs. He also oversees a large SCI-specific outpatient practice, which provides rehabilitative and primary-care services. Dr. Rosenbluth specializes in all aspects of care for the individual with spinal cord injury.

Rosenbluth graduated from New York Medical College and completed his residency at the University of California-Davis. He did his fellowship at the University of Washington. He is board certified by the American Board of Physical Medicine and Rehabilitation, with a certification in the subspecialty of Spinal Cord Injury Medicine.

In July 2013 he received the Craig H. Neilsen Presidential Endowed Chair for Spinal Cord Injury Medicine.



Tanja Kari is a Paralympian and gold medalist, representing Finland in cross country skiing 1992-2002. She has a Master’s degree in Sports Sciences from University of Jyväskylä, Finland and Bachelor’s Degree in Physical Education from the Sports Institute of Lapland, Finland. Tanja has been active in Anti-Doping work with World Anti-Doping Agency (WADA) in multiple committees within the International Paralympic Committee (IPC). Currently she is an active technical classifier for Para Nordic Skiing and administrator/program director for Technology, Recreation, Access, Independence, Lifestyles, Sports (TRAILS) Program at the University of Utah Health Rehabilitation Center.



Ross Imburgia is a lifelong skier, sailor and general outdoor adventurer. After graduating from the University of Utah with a B.S. in Mechanical Engineering in 2014, he joined the Tetradapt Initiative as a design engineer working on adaptive sports technology. He currently serves as the engineering team lead on the TetraSki and watercraft projects. He also works closely with the student teams to bring their conceptual ideas to fruition. Ross is passionate about developing and utilizing new technology to help people with advanced disabilities experience the outdoors.



Amy Mortenson is a Special Projects Manager for Tetradapt. Amy has over a decade of experience and an extensive knowledge of government law, records, program management and administrative functions. Amy thoroughly enjoys being a part of the work that the Spinal Cord Injury team does to improve the well-being and lifestyle of individuals of all abilities.



Sue Sandwick has been a physical therapist practicing in Neurologic Rehab for 28 years, specializing in Spinal Cord Injury (SCI) rehabilitation throughout every aspect within the continuum of care. She has been a regular instructor at the University of Utah, Department of Physical Therapy for 27 years, obtaining her Neurologic Specialist Certification in 2004, and earning her Doctor of Physical Therapy degree from the University of Utah in 2009.  Sue specializes in SCI rehabilitation, health and wellness programming as well as complex wheelchair seating and mobility and consistently shares her extensive knowledge into adapted sports applications.



Ahmad Alsaleem is a Ph.D. student in Computing at University of Utah. Ahmad is a graduate researcher at the center of medical innovation. His research involves optimizing software and hardware for assistive technologies. Alongside supervising multiple clinical trials for different research projects. His research project Healthx (a new method to detect amblyopia) received multiple awards and recognitions around the country. During his graduate study he has been awarded multiple grants and scholarships for his research and work.



Roger Altizer, Jr. is the co-founder of Entertainment Arts and Engineering, the top-ranked game design program in the nation, the Director of Digital Medicine for the Center for Medical Innovation, the founding Director of The GApp lab (Therapeutic Games and Apps) and former director of the Center for Interdisciplinary Art and Technology at the University of Utah. Roger earned his Ph.D. in Communication at Utah and specializes in serious and medical games as well as game design and development. His research focuses on the importance of play and how good design encourages it. Creator of The Design Box, a participatory, inductive design methodology, Roger strives to include users as designers in his work.



Andrew S. Merryweather is director of the Ergonomics and Safety Program at the University of Utah and Associate Professor in the department of Mechanical Engineering where he teaches and directs research in the areas of biomechanics, human factors, musculoskeletal injury prevention and human modeling. Merryweather obtained his Ph.D. degree in Mechanical Engineering at the University of Utah in 2008 as a NIOSH Trainee in Occupational Injury Prevention. Over the past 12 years Dr. Merryweather has managed significant research projects investigating musculoskeletal injuries in the workplace, assistive technologies for persons with disabilities, adaptive technology development, robotics and human-system engineering.



Stephen Trapp is a rehabilitation psychologist on faculty with the University of Utah’s Division of Physical Medicine and Rehabilitation. His research and clinical practice examines topics related to health behaviors, technology, and wellbeing of individuals with spinal cord injuries.


Keegan Buffington

Keegan Buffington is a Program Coordinator with TRAILS. He followed his passions for the outdoors, teaching others and life-long learning after graduating from the University of Minnesota with a B.A. in Chemistry. He pursued adaptive recreation internships at Achieve Tahoe in Lake Tahoe, CA and STARS in Steamboat Springs, CO shortly after graduating. Following his internships he became a staff instructor/trainer at Achieve Tahoe where he remained active, committed and grew in sharing his passions for the outdoors. Keegan holds PSIA Alpine and Adaptive ski certifications as well as a former seat on the PSIA Western Division Education Staff. He also is a certified sailing instructor with an adaptive endorsement from US Sailing. He is happiest on the mountain skiing or sailing out on the water.


Noah Rush-Mabry

Noah Rush-Mabry works with TRAILS. He is a mountain biker and skier who enjoys fixing and tuning the equipment that he uses. One of his friends had introduced him to an adaptive sports program and showed him the equipment that utilized and he was immediately intrigued. Through his time getting a B.S. in Adventure Education, Noah focused on adaptive sports and developing his teaching skills through an internship at an adaptive sports program.


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