Our Team
Ryan Spill
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
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, will celebrate 10 years of marriage in August 2026 and are excited to welcome their first child in June. Ben says the best part of working at R.J. Rosenberg Orthopedic is the people—both staff and patients.
Some fun facts about Ben:
– Favorite movie: Remember the Titans
– Favorite place visited: Glacier National Park, Montana
– Favorite dessert: Peanut butter pie
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.
Tammy Franklin
CFm
Tammy Franklin, CFm, is a Certified Mastectomy Fitter and the clinical director of Personal Symmetrics, which provides postmastectomy services to women who have had full or partial breast removal or reconstructive surgery. She attends continuing education for all new CMS policies and procedures and to continue to learn how to best care for patients before and after surgery. Tammy relocated from Centralia, Illinois, in 1984 and she joined RJROL shortly after. Together, Tammy and Steve share 3 grown children and 7 grandchildren. She and her husband, Steve, enjoy their RV and spending weekends at the lake, as well as enjoying time with their families.
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).
Kathleen Kauffman
Certified Post-Mastectomy Fitter, Administration
She has worked in the medical field for nine years and is a graduate of the University of Cincinnati where her field of study was multi-skilled health technician. She also holds medical assistant certification from the University of Cincinnati.
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, she enjoys spending time with family, her two dogs and a cat. She also like to line dance. Her favorite sports teams are the Bengals and Reds.
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.”
Amy Fleak
Office Administrator
When patients come to the office for an appointment, they will most likely meet Amy Fleak. She is an office administrator who has a great attitude and enjoys what she does. Amy finds working with a team that loves what they do is an important part of making people feel comfortable. This is especially true when they’re coming for a prosthetic appointment or a post-mastectomy consultation with Personal Symmetrics. Amy loves meeting our amazing patients who are going through rehabilitation. She answers the phone, makes appointments, and checks patients in for their care.
When she’s not working at R.J. Rosenberg Orthopedic Lab and Personal Symmetrics, she is devoted to her other full-time job –– her loving family and their wonderful pets. The family hails from St. Bernard and are also huge Cincinnati sports fans!
Some fun facts about Amy:
– Favorite movie: Polar Express
– Best place she’s ever visited: Chesapeake Bay (Estuary on the east coast of the United States)
– Most famous person she’s ever met: Nick Castellanos, Cincinnati Reds Right Fielder (2020-21)
– Favorite dessert: Her mom‘s chocolate chip cookies (we will have to get her to make some for the office)
– Something you may not know about Amy: Her son Trevor is a prosthetic technician at RJ Rosenberg Orthopedic Lab
Next time you come in make sure you talk to Amy about Cincinnati sports.
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
Demetria Turner
Billing Specialist/Office Admin
Demetria attended Antonelli College where she graduated with an Associate of Applied Science in Medical Billing and Coding. She also has a diploma in Medical Insurance Billing and Office Administration from Ross Medical Education Center. She has worked in this field for more than five years.
In addition to billing and payments, Demetria also schedules patients and handles patient registration.
She enjoys meeting different people from many backgrounds and being able to see the difference RJROL makes in their lives.
Demetria has many interests outside of work: hiking, kayaking, singing, painting, exercising, and family time including football with her sons. She also likes to travel; her favorite trip was to Negril, Jamaica.
She resides in Seven Hills.
Allison Rabe
Office Admin/Patient Coordinator
Allie is the first person you see when at RJROL. Besides greeting visitors and scheduling appointments, she handles phone calls and emails, as well as billing and insurance. She also keeps track of inventory and orders supplies. She has worked in medical offices for three years.
Allie said the best part of her job is the patients. “Everyone is like family, and I always look forward to spending my day with them.”
When not at work, Allie enjoys crafting, walking her dog, hanging out with friends and family, and watching movies. Her favorite is “A League of Their Own.”
A native of Taylor Mill, Kentucky, she now resides in Erlanger, Kentucky.
Alexander Brenner
CP/L, MPO
Alexander Brenner is a Licensed Certified Prosthetist who evaluates and fits upper and lower limb prosthetic users.
He received his Master of Prosthetics and Orthotics (MPO) degree from the Feinberg School of Medicine at Northwestern University and his Bachelor of Science degree in Health Science from Bowling Green State University. Alex completed his Prosthetic Residency at Mary Free Bed Rehabilitation Hospital in Grand Rapids, Michigan. He is a member of the American Academy of Orthotists & Prosthetists (AAOP).
A native of Walbridge, Ohio, he resides in Mason with this wife and daughter. They enjoy being outdoors and hiking with their two Golden Retrievers. Besides the outdoor life, Alex also likes to lift weights and bouldering.
Since he joined the staff in late 2020, Alex said the best part about working at RJR is the teamwork and camaraderie within the office. “It’s truly like one big family. Everyone here has a great sense of humor, so we are always having a great time.”
Kelsey Henschen
Office Administrator and Business Development Manager
Kelsey Henschen is the Office Administrator and Business Development Manager. Her responsibilities include scheduling, billing, communications between medical offices, and coordination of out-of-town patient visits. Of her job, Kelsey says: “The atmosphere here cannot be beat! We all truly enjoy our jobs and everyone who we are honored to work with. I am thankful to be a part of such a great team and proud of the work that we are doing.” When not at work, she spends her time with her fiancé, Thomas, and her children, Lilly and Evan. Kelsey and her family are typically found at the kids’ sporting events, camping, hiking, movies, amusement parks, as well as other family and friend gatherings.
Linda Higgins
Administrative Assistant
Linda Higgins, Administrative Assistant, is involved in all administrative tasks for both RJROL and Personal Symmetrics. She has been on our staff since 2000 following her retirement from patient care at internal medicine and cardiology practices. Linda is active with her church and enjoys spending time with her family and volunteering with area children’s programs. Linda resides in the St. Bernard neighborhood of Cincinnati. She has one son, Chris, and two grandchildren, Morgan and Martin.
Denise Marie Rasche
Prosthetics Intern
Denise has worked at R. J. Rosenberg Orthopedic Lab for almost two years as a prosthetic intern. She is certified through JOBST Compression Institute as a compression fitter. Her responsibilities include measuring for compression garments, assisting with fabrication and pulling test sockets as well as stocking inventory and shipping and receiving. A native of Hamilton, Ohio, she is a graduate of Thomas More College with a Bachelor of Arts degree in biology. She enjoys hammocking, fishing, painting, reading, and kayaking. Of working at R. J. Rosenberg Orthopedic Lab, Denise says, “Every person truly works as a team for the benefit of the patients. It is also exhilarating to see our patients’ success and the goals they achieve. This place really challenges your critical thinking skills to customize each prosthesis or a compression garment to suit the patient’s needs.”