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Our Team

Ryan Spill

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.

Katie Johnson

Katie Johnson is a licensed certified prosthetist/orthotist who covers all aspects of care for both upper and lower extremity patients. Katie earned her certificates in orthotics and prosthetics from Northwestern University; a Master of Science degree in biomedical engineering from the University of California-Davis; and a Bachelor of Science degree in mechanical and biomedical engineering from Tufts University. She is a member of the American Academy of Orthotists & Prosthetists (AAOP), Women in Orthotics & Prosthetics of AAOP, and is the lead member of the AAOP Publications Committee Literature Update Working Group. Katie possesses analytical and research skills and presents her findings at industry scientific meetings. She resides in Cincinnati with her husband and two daughters. She enjoys running, bicycling, camping, hiking, and all things active and outdoors.

Tammy Franklin

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).

Keiko Wernicke

Keiko is a specialist in designing, fabricating and painting silicone prostheses. She has been at R.J. Rosenberg Orthopedic Lab since 2018 but has worked in this field for nine years. She is a member of the International Anaplastology Association and has completed studies at the Silicone Prosthetic Institute. She is a graduate of Mount St. Joseph College where she majored in Fine Art, with her specialty being Silicone Art. A native of Japan, Keiko enjoys gardening and family trips. She also speaks Japanese fluently. Her favorite place visited is the Hot Springs Resort in Japan.

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.

Kathleen Kauffman

Kathleen Kauffman

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.

Demetria Antionette Turner

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 Marie Rabe

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

Alexander Brenner

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

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

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.”