Our Team
Ryan Spill, CP/L
Certified and Licensed Prosthetist
Ryan began his prosthetics career as a technician in 1999, intrigued by the synergy of art and science in creating a prosthetic limb. Ryan always had an interest in art, and with prosthetics, he could incorporate design and components to restore a patient’s function. He received his bachelor of science degree in Health Sciences from Lock Haven University and his Prosthetic Certificate from California State University at Dominguez Hills. He was certified by the American Board for Certification in Orthotics and Prosthetics in 2003, and completed his prosthetics residency at RJ Rosenberg Orthopedic Lab. Since then, Ryan worked in Philadelphia and has taken care of patients at Moss Rehabilitation and Walter Reed Army Medical Center. Ryan was a clinical representative for Motion Control, in which he provided training to prosthetists worldwide. Ryan also travels to Haiti to provide volunteer upper and lower limb prosthetic services for the residents of Port de Paix and the surrounding community with a team of PTs, OTs, and nurse practitioners. Ryan is Clinical Director of R. J. Rosenberg Orthopedic Lab. He resides in Cincinnati with his wife and two sons, and enjoys running, sports, nature, and anything outdoors.
Ben Welter, CP/L
Certified and Licensed Prosthetist
Ben Welter, CP/L, is an ABC Certified and Ohio-licensed Prosthetist with seven years of experience providing patient-focused care across a wide range of prosthetic cases, including upper limb, bilateral, and complex presentations. Originally from Louisville,
Kentucky, Ben earned his bachelor’s degree in mechanical engineering from the University of Kentucky, where he discovered his passion for prosthetics while shadowing a local clinician. He went on to complete his master’s degree in Prosthetics and Orthotics at Northwestern University and an extended prosthetics residency at the Shirley Ryan AbilityLab in Chicago.
Ben has extensive experience fitting and aligning advanced prosthetic systems, including microprocessor knees and ankles, and is known for developing creative, individualized solutions tailored to each patient’s goals. His philosophy centers on developing prosthetic solutions that help each patient reach their goals. Ben values collaboration with interdisciplinary care teams and believes strong communication is essential to successful rehabilitation.
Outside of RJR, Ben enjoys golf, powerlifting, hiking, and spending time outdoors with family. He and his wife, Wynni have a daughter, Margot.
Ben explains the best part of working at R.J. Rosenberg Orthopedic is the people—both staff and patients.
Keiko Wernicke
Anaplastologist
Keiko Wernicke is a specialist in the design, fabrication, and lifelike coloration of medical-grade silicone maxillofacial and somatic prostheses, as well as custom silicone therapeutic appliances. She is a graduate of Mount St. Joseph College with a major in Fine Arts. She joined R.J. Rosenberg Orthopedic Lab in 2018 and has worked in the field of clinical anaplastology since 2011, bringing over a decade of clinical and technical experience to patient-centered prosthetic care.
Kathleen Kauffman
Certified Post-Mastectomy Fitter, Administration
Kathleen Kauffman has worked in the medical field for more than nine years. She is a graduate of the University of Cincinnati, where she studied to become a multi-skilled health technician, and she also holds medical assistant certification from the university.
Kathleen’s work became even more personal after she was diagnosed with Stage 0 ductal carcinoma in situ, or DCIS, in December 2024. Now a breast cancer survivor herself, she brings added understanding, compassion, and firsthand perspective to the women she serves. Her experience has strengthened her commitment to helping each patient feel comfortable, supported, and confident throughout her own breast cancer journey.
In addition to her “wonderful co-workers,” Kathleen says the best part of her job is “helping patients regain confidence and bringing a smile to their faces.”
A native of Loveland, Kathleen enjoys spending time with her family, two dogs, and cat. She also enjoys line dancing and cheering for her favorite sports teams, the Cincinnati Bengals and Cincinnati Reds
Tammy Franklin
CFm
After many years of dedicated service, Tammy Franklin recently retired from full-time work at Personal Symmetrics. She continues to remain an important part of the team, filling in as needed to see patients, assist with administrative responsibilities, support overflow work, and provide coverage when team members are on vacation.
Tammy is deeply committed to the patients she has cared for throughout her career and continues to support Kathleen and the Personal Symmetrics team whenever needed. Although she is enjoying the flexibility of retirement, she is grateful to stay connected to the work, patients, and colleagues who have meant so much to her.
Tammy is a Certified Mastectomy Fitter with extensive experience providing postmastectomy services to women who have undergone full or partial breast removal or reconstructive surgery. Throughout her career, she has attended continuing education programs covering new CMS policies, procedures, and advances in patient care before and after surgery.
Tammy relocated from Illinois, in 1984 and joined RJ Rosenberg Orthopedic Lab shortly afterward. She and her husband, Steve, have three grown children and seven grandchildren. In retirement, they enjoy traveling in their RV, spending weekends at the lake, and spending time with family.
Richard J. Rosenberg
CPO/L – Founder
Richard has been a prosthetist for over 40 years and specializes in the design, fitting, and fabrication of advanced prosthetic devices. Richard received his formal education at Northwestern University and is a licensed practitioner by the Ohio Board of Orthotics, Prosthetics, and Pedorthics. He was certified by the American Board for Certification in Orthotics and Prosthetics (ABC) in 1969. Rich is a member, and past president, of the Ohio Orthotic and Prosthetic Association (OOPA).
Robert Terry
Lab Coordinator
Robert Terry, Lab Coordinator, has been with RJROL since 1985. Bob has always had an interest in tactile work, and is an expert in fabrication techniques. Bob’s skill set includes a focus on fabricating lightweight and robust prosthetic systems, and customizes each device to match a person’s size and activity level. Bob is experienced in upper limb and lower limb prosthetic devices for the pediatric and adult populations. Originally from the Bridgetown neighborhood, Bob served in the U.S. Army from 1976-1979. He has three children and enjoys golf, horseshoes, and Cincinnati sports. His least favorite sports team is the Pittsburgh Steelers.
Trevor Fleak
Prosthetic Technician
A prosthetic technician with R. J. Rosenberg Orthopedic Lab, Trevor attended U.S. Navy Submarine School and was certified as a sonar technician. His interest in all things mechanical led him to his job here as a technician. In his short time at RJR, he has acquired fabrication techniques, including pulling test sockets, laminating sockets, and adjusting devices for amputees. Trevor has been learning under the supervision of our senior technician, Bob Terry. He is gaining an incredible advantage being mentored by someone with so much experience while working with the latest innovations and materials. Trevor, who lives in St. Bernard, loves golf, softball, fishing, milkshakes, and going out with friends. When asked about his work at RJR, he responded, “I get to work with some of the most amazing people. I get to be a part of something where I am making a difference in people’s lives.”
Talea Chenault
Office Administrator
As a Cincinnati native, Talea Chenault has always been driven by a desire to serve her community and help others succeed. Throughout her career, she has built a reputation for reliability, professionalism, and attention to detail. Whether coordinating daily operations, managing complex schedules, supporting clients, or overseeing business administration, Talea takes pride in creating systems that allow organizations and individuals to thrive.
Before transitioning into office administration, Talea founded and operated Nanny McTea Sitters LLC, where she managed every aspect of the business, including operations, client communications, scheduling, marketing, invoicing, recruitment, and administrative processes. While the business centered on supporting families, the experience strengthened her skills in business management, customer service, leadership, and organizational efficiency—skills that continue to serve her in her administrative career.
In addition to her entrepreneurial work, Talea studied Early Childhood Education at Northern Kentucky University and completed an AmeriCorps VISTA program focused on strategic planning to improve kindergarten readiness throughout the community. These experiences reinforced her commitment to servant leadership, collaboration, and making a meaningful impact.
Today, Talea is excited to bring her diverse background, administrative expertise, and dedication to excellence to RJ Rosenberg Orthopedic Lab. She looks forward to supporting daily operations, enhancing organizational efficiency, and contributing to a positive experience for both patients and colleagues while continuing to grow professionally in the healthcare field.
Leslie Dunn
Office Administrator
Dedicated to our patients, Leslie has worked in the office as an admin at R.J. Rosenberg Orthopedic Lab since early 2021. She began her career as a registered nurse, providing patient care for more than 20 years. She attended West Chester University in PA and is licensed in Ohio and Pennsylvania. Leslie splits her time between The Christ Hospital as a Denials & Appeals Nurse in the Case Management department, and at RJROL where she helps with the phones, front desk, and administrative work.
Caring for people is in her nature. Leslie describes the patients as amazing and inspiring. “I really enjoy talking with them and hearing their stories.”
Some fun facts about Leslie:
– Favorite movies: Kill Bill 1&2, Greenbook, Shine, Forrest Gump, and Marvel anything
– Best place she’s ever visited: Sedona, AZ
– Favorite sports team: Philadelphia Eagles (Go Birds!)
– For outside the office fun, Leslie enjoys tennis, walking, running, going to the library, spending time with her family and friends, and playing with her two boys Dylan and Cameron
– Favorite desserts: Cookies & Cream ice cream and Almond Hershey Kisses
Something you may not know about Leslie: She is married to Ryan Spill, RJR Clinical Director