Find an Expert

With over 35 years’ experience as a practicing prosthetist, Kevin Carroll is world-renowned for his skill in treating even the most difficult prosthetic cases. A visionary researcher and skilled educator, Kevin has been at the forefront of numerous prosthetic breakthroughs, including co-developing the first prosthetic tail for a dolphin (Winter, featured in the movie “Dolphin Tale”) and the patented Hanger ComfortFlex™ Socket System. Kevin is a Fellow with Distinction of the American Academy of Orthotics and Prosthetics, as well as a member of the International Society for Prosthetics and Orthotics and the British Association of Prosthetics and Orthotics. Kevin has appeared on many news broadcasts, including Dateline, 20/20, NBC Nightly News, ABC’s Good Morning America, and the Discovery Channel.

With more than 10 years of experience as a clinician based in Phoenix, Arizona, Jillian Okimoto brings passion for empowering human potential and clinical expertise to her work every day. When providing care for her pediatric patients, Jillian is skilled not only at custom-fitting devices that help them reach their goals, from playing sports to keeping up with their friends, but also in educating their parents about the complexities of prosthetic devices and what to expect as their child adapts to them. Jillian graduated summa cum laude from California State University – Dominguez Hills with a Bachelor of Applied Science in Prosthetics, received her Certificate in Orthotics from the Newington Certificate Program in Prosthetics and Orthotics, and frequently helps lead workshops and presentations at Hanger’s national patient events. She also received a 2019 J.E. Hanger Award—Hanger’s highest honor—for being Patient-Focused.

After receiving a bachelor’s degree in physics, Dr. Shane Wurdeman entered the profession of O&P as a technician and earned a master’s degree in orthotics and prosthetics. After working as a prosthetist/orthotist, he went back to school for his PhD in biomechanics. He has published numerous peer-reviewed studies and book chapters, and been invited to speak at multiple conferences. He also currently serves at the Research Chair on the Board of Directors for the American Orthotics and Prosthetics Association. In addition to his research work for Hanger’s Department of Clinical and Scientific Affairs, he continues to work clinically with patients.

As Director of Hanger Clinic’s National Upper Limb Program, Steve Mandacina oversees a nationwide network of prosthetic specialists and occupational therapists who bring world-class expertise to a highly technical field. Steve and his team help restore function to upper limb prosthetics users through custom-fit devices that include partial hands and fingers, more traditional body-powered devices, and advanced technologies including myoelectric and pattern recognition-controlled devices. Steve works closely with engineers and technicians around the globe in designing new prosthetic components, materials and designs to improve comfort and use of the device. With nearly 25 years of experience as a practicing prosthetist, Steve regularly lectures at educational institutions and national & international orthotics and prosthetics (O&P) conferences and symposiums with a focus on outcomes-based patient care.

Carrie Davis is a nationally-recognized leader in patient experience and organizational transformation through empathy and servant leadership. Throughout her 20-year tenure at Hanger Clinic, she coordinated and built a nationwide peer support and mentorship program for people with limb loss and limb difference, served as a patient advocate herself, and now leads the Patient Experience Department. She has been a featured speaker at numerous conferences including the Cleveland Clinic Empathy and Innovation Conference, the Next Generation of Patient Experience Conference, TEDx and HIMSS TV.  She has a master's degree from Gonzaga University in Organizational Leadership, and is the recipient of the J.E. Hanger Award for Customer Service (Hanger's highest level of employee recognition) and the Margaret Golding Award for Service for her work with Inner Wheel and their project that provides myoelectric arms to children.

Carrie was born with a below-elbow congenital limb deficiency and has worn a prosthesis since she was nine months old.  She credits her life’s journey in and around the prosthetics industry for inspiring her to become the woman she is today.

As a pediatric clinician with a decade of experience, Kansas City-based Area Clinic Manager Shannon O’Shea provides orthotic care to children with a wide variety of diagnoses. She specializes in cranial remolding for infants with plagiocephaly and craniosynostosis, as well as the treatment of idiopathic and neuromuscular scoliosis, and the orthotic management of cerebral palsy. As a strong believer in education, Shannon is passionate about ensuring families feel comfortable with, and supported throughout, the treatment process. She enjoys seeing her patients improve over time and being able to provide quantifiable outcome measures, giving both families and herself great joy. Shannon also contributes to Hanger Clinic’s Department of Clinical and Scientific Affairs by providing cranial education to hundreds of Hanger Clinic clinicians across the country.

Chris Toelle, LCO, is a licensed, board-certified orthotist, bringing over 28 years of experience to Hanger Clinic. As the East Zone Orthotics Specialist, he provides clinical and educational support in the areas of orthotic design and application to clinicians and patients across the Eastern U.S., and specializes in lower extremity and cranial solutions. He takes pride in delivering the best possible outcomes for his patients and focuses on providing exceptional care and service every step of the way. Over the course of his career, Chris, who is based in Sarasota, FL, has also served as an Area Clinic Manager, Clinician and as an O&P technician providing trauma, orthopedic, neurological, and wound recovery orthotic care.

In her role as Hanger’s Director of Talent Management, Inclusion, and Engagement, Lisa Lodyga-Uhl has developed the company’s diversity and inclusion strategy, including expanding the women’s leadership development program, starting affinity groups and launching the Diversity and Inclusion Council chaired by Hanger’s President and CEO Vinit Asar. Prior to joining Hanger, Lisa served as a Diversity Strategist for Dell, Inc., Learning Consultant at the Coca-Cola Company, and Instructional Designer at United Parcel Service. She is experienced in developing HR strategies to foster an employer-of-choice brand through programs that attract, develop, and retain talent. She is motivated by developing and implementing diversity and inclusion programs and building relationships to drive change. Lisa holds a Master’s Degree in Instructional Systems Technology from Indiana University and a Bachelor of Arts from Purdue University.

As Vice President of the Hanger Fabrication Network, Aaron Flores oversees multiple facilities across the U.S. where orthotics, prosthetics, and diabetic foot inserts are manufactured. His teams are responsible for scanning, digitization, and automation initiatives, including additive manufacturing (3D printing), an exciting technology with innovative applications for orthotics and prosthetics. Aaron also led a team responsible for collaborating with AT&T to develop a cloud-based/cellular Internet of Things (IoT) activity device and mobile applications for prosthetic users and clinicians, with a goal to empower and encourage mobility and outcomes. With a background in biomedical engineering and medical devices, Aaron has more than a decade of leadership experience at Hanger, and has a BS, MS, and PhD from MIT and an MBA from Harvard Business School.

After earning her Bachelor of Science from Western New England University, Katie Toth went on to receive her Master of Prosthetics and Orthotics from Northwestern University’s Feinberg School of Medicine. Katie completed her orthotics and prosthetics residencies at Hanger Clinic, and is now a clinic manager in Malta, New York, specializing in cranial remolding for infants with plagiocephaly, torticollis, craniosynostosis and other conditions that impact head shape.

Over her career, Katie has fit hundreds of babies with customized, corrective helmets and is an expert in the latest measurement and fitting techniques, including 3D scanning. She is passionate about collecting data to help parents understand their unique child’s expected outcome and treatment timeline, and works closely with Hanger’s Clinical and Scientific Affairs team to contribute to research that is elevating the field of cranial remolding therapy to better serve patients.