A lifelong writer, Christa S. Plew completed her first book at age 8 on her grandma’s typewriter. Since then, she’s won several writing competitions and scholarships in both fiction and non-fiction genres. She earned a BA in Journalism and another BA in Spanish Language, as well as an MBA from Indiana University. Though she’ll readily admit, these days she speaks more Spanglish then Spanish.
Throughout her career, Christa has written just about every type of content there is from news stories, brochures, and ads to novels and short stories. She has also edited multiple novels, manuscripts, surgical techniques, and articles. Christa has served as President of the American Christian Fiction Writers Indiana Chapter, among others.
Christa and her husband live in Indiana with their adorable son. When she isn’t immersed in a writing project or playing with her family, you can find her helping with a church mission project, at the airport learning to fly, or planning her next bucket list adventure.
Guillaume D. Dumont, M.D. is a board-certified, fellowship-trained Orthopedic Surgeon and Sports Medicine Specialist in Columbia, South Carolina. He specializes in the arthroscopic treatment of hip, shoulder, and knee injuries. Dr. Dumont has a unique passion for hip arthroscopy and the treatment of hip injuries in young, active individuals. He understands the challenges that many patients experience while seeking answers, diagnoses, and treatments for their injured joint, and uses an individualized approach to ensure patients understand the injuries affecting them.
Following his training in Orthopedic Surgery, he completed a fellowship in Sports Medicine where he gained valuable experience in minimally invasive shoulder procedures, in addition to studying advanced arthroscopic techniques with leaders and innovators in shoulder surgery. Dr. Dumont spent the final chapter of his training honing his skills in hip arthroscopy. He continues to build on these experiences to further the care he’s able to provide his patients.
In his spare time, Dr. Dumont enjoys spending time with his wife and kids, watching football, traveling, and listening to audiobooks.
Brian D. Lewis, M.D. is a board-certified, fellowship-trained Orthopedic Surgeon and Hip Preservation Specialist practicing in Raleigh and Durham, North Carolina. He is also an assistant professor at Duke University specializing in hip preservation surgery. Dr. Lewis treats a wide variety of hip disorders and is well versed in open and arthroscopic treatments.
After finishing orthopedic residency he spent 3 years as a general orthopedic surgeon. During this time, he realized his passion was treating hip disorders, so he spent an additional year of fellowship training in hip preservation and anterior total hip replacement. He sees patients of all ages and emphasizes that his goal is to find the right treatment for every patient in order to restore their quality of life.
In his spare time, Dr. Lewis enjoys spending time with his wife and four children outdoors, hiking and camping in the summer and snowboarding in the winter.
Thomas J. Aleto, M.D. is a board-certified, fellowship-trained Orthopedic Surgeon in Columbia, Missouri. He specializes in hip and knee replacement surgery. For the first 10 years of his career, Dr. Aleto served as an Assistant Professor in Adult Reconstruction at the University of Missouri.
Dr. Aleto has a particular interest in partial knee replacement, with nearly half of his knee replacement practice in this field. He has served as a faculty member for the Oxford Partial Knee Advance Courses for many years. Dr. Aleto has also instructed on many aspects of joint replacement throughout his career to both surgeons in training and practicing surgeons, nationally and internationally.
In his current practice, Dr. Aleto treats all aspect of hip and knee reconstruction, from a straightforward primary joint replacement to a complex revision procedure. Throughout his career, he has paid special attention to the importance of the physician-patient relationship and its role in achieving optimal outcomes and meeting patient expectations.
Brett Sachs, DPM is board-certified by the American Board of Foot and Ankle Surgery in foot surgery as well as reconstructive rearfoot and ankle surgery practicing in Denver, Colorado. Dr. Sachs studied biology at the University of Maryland and earned his Doctor of Podiatric Medicine degree at Temple University School of Podiatric Medicine. He then completed a foot and ankle surgical residency at Presbyterian/ St. Luke’s Medical Center in Denver, Colorado, followed by an orthopedic trauma residency at Kaiser Permanente in San Francisco.
Dr. Sachs specializes in reconstructive foot and ankle surgery, arthroscopy, trauma, total ankle replacement and sports medicine. He’s a nationally recognized lecturer and instructor of surgical skills workshops as well. Dr. Sachs has authored several textbook chapters in trauma, ankle arthroscopy, and surgery in addition to publishing in several peer reviewed clinical and surgical research journals. He’s currently the Program Director for the Highlands-Presbyterian/St. Luke’s Podiatric Medicine and Surgery Residency Program.
Dr. Sachs has held various academic appointments for the American College of Foot and Ankle Surgeons and American Board of Foot and Ankle Surgery. He’s a manuscript peer reviewer for the Journal of Foot and Ankle Surgery, a fellow of the American College of Foot and Ankle Surgeons, and a leader in his community. Dr. Sachs served as Vice President of the Colorado State Podiatry Board, President of the Colorado Foot & Ankle Society, and is currently serving on the Board of Directors for the Highlands Foot and Ankle Institute.
Dr. Sachs currently lives in Denver, Colorado with his wife, daughter, son and dog. He is an avid sportsman and enjoys golf, skiing, tennis, hiking and running.
Orthopedic Surgeon Mark Klaassen learned early on what caring for others is all about. The son of missionaries, he grew up in Colombia where the positive impact of helping others was tightly woven into his character. He returned home to the U.S. as a 15-year-old to continue his education, culminating in the MD degree he earned from the Indiana University School of Medicine at Notre Dame and the I.U. Medical Center. He completed his orthopedic surgery residency at Lutheran Hospital of Indiana and Hospital for Sick Kids in Toronto, Canada. He has been in independent group practice since 1987 in Elkhart, Indiana, and also serves as Professor of Practice in the College of Sciences at the University of Notre Dame and Associate Clinical Professor of Orthopedic Surgery Indiana University School of Medicine.
Dr Klaassen is board certified by the American Board of Orthopedic Surgeons. He’s a Fellow of the American College of Surgeons and the American Academy of Orthopaedic Surgeons. Dr Klaassen is an active member of the American Association of Hip and Knee Surgeons, the American Medical Association, the Mennonite Medical Association, the American Orthopaedic Foot & Ankle Society, the American Fracture Association, and the Indiana Orthopaedic Society. Throughout his career he has been a mentor to other orthopedic surgeons throughout the U.S. and other countries, providing instruction on advanced orthopedic surgical techniques and procedures – many of which he was instrumental in developing.
John W. Sperling, M.D. is a board-certified, fellowship-trained Orthopedic Surgeon practicing in Minnesota. Dr. Sperling graduated from the University of Virginia School of Medicine. He completed his residency at Mayo Clinic in Rochester, Minnesota and a Fellowship for Sports Medicine and Shoulder Surgery at The Hospital for Special Surgery. Dr. Sperling is a Professor of Orthopedic Surgery and Vice-Chair of the Department of Orthopedic Surgery at Mayo Clinic.
Doctor Sperling is an internationally recognized expert on primary and revision shoulder surgery. He’s actively involved in clinical and biomechanics research at the Mayo Clinic. Dr. Sperling has more than 260 peer-reviewed publications and has been invited to speak worldwide to share his insight on how to treat challenging shoulder problems. He is an active member of the American Shoulder and Elbow Surgeons and the American Academy of Orthopedic Surgery. He’s the Co-Editor-in-Chief of the Journal of Shoulder and Elbow Surgery: Reviews, Reports, and Techniques. Dr. Sperling also has an MBA Degree in Medical Group Management. In his spare time, he enjoys fishing the trout streams of Minnesota and golf.
Dr. Timothy P. Codd specializes in the treatment of shoulder and elbow disorders such as arthritis of the shoulder, shoulder instability, rotator cuff disease, and complex and traumatic injuries to the shoulder. He also treats over-use injuries of the shoulder and elbow for people from all walks of life including professional athletes. He has special interest in treating the full spectrum of shoulder arthritis, and has lectured and taught both nationally and internationally on the advances of shoulder replacements, reverse shoulder replacements, and minimally invasive shoulder surgery.
Dr. Codd is involved with research and clinical trials in shoulder
replacement treatments and is involved in design and clinical trials
for current advances for treatment of rotator cuff disease. He is a
published author in peer review journals and books on these various
treatments of shoulder disorders.
Dr. Codd received his B.A. with honors in Psychology from Dartmouth
College. He received his M.D. with honors from Columbia University.
His post-graduate orthopedic surgical training was performed at Johns
Hopkins Hospital. Dr. Codd is fellowship-trained in shoulder surgery
at the New York Orthopaedic Hospital at Columbia University. He is on
the Faculty and staff of Johns Hopkins Hospital and The University of
Maryland Medical System.
Dr. Seth Gamradt is an Associate Professor of Orthopedic Surgery. Dr. Gamradt is a nationally renowned sports medicine surgeon who participates in the care of elite athletes. Dr. Gamradt specializes in sports medicine, particularly in the treatment of shoulder, knee, and elbow pathology with a focus in arthroscopic rotator cuff repair, arthroscopic shoulder stabilization, knee arthroscopy and ligament reconstruction (ACL surgery), Tommy John elbow surgery (UCL reconstruction), and total/reverse shoulder replacement.
Dr. Gamradt grew up outside of Minneapolis, Minnesota. He attended
Pepperdine University where he graduated Magna Cum Laude with honors
in research. Dr. Gamradt then moved on to Weill Cornell University
Medical College where he graduated with honors. He completed his
residency training in Orthopedic Surgery at UCLA as well as a sports
medicine and shoulder surgery fellowship at the Hospital for Special
Surgery in New York.
After completing his fellowship, Dr. Gamradt returned to UCLA as an
attending physician. He developed an exclusive sports medicine
practice. He also has served as a team physician for UCLA athletics,
the New York Football Giants, and USA Women’s Soccer. In 2013, Dr.
Gamradt was recruited to USC. One of his responsibilities at USC is
Director of Athletic Medicine for USC intercollegiate athletics. Dr.
Gamradt is responsible for managing the orthopedic and musculoskeletal
care of USC athletes. Dr. Gamradt is a member of the American Shoulder
and Elbow Society and a member of Association of Clinical Elbow and
Dr. Gamradt is also engaged in clinical research. He has a special
interest in clinical outcomes of shoulder and knee surgery as well as
injury prevention research. To date, he has published over 50 peer
review manuscripts and over 50 book chapters/invited reviews.
Charles M. Lawrie, M.D. is a board-certified, fellowship-trained Orthopedic Surgeon in Saint Louis, Missouri. He’s an assistant professor at Washington University School of Medicine, where he is actively involved in training residents and fellows, and with clinical research. He has published numerous peer-reviewed publications in highly rated journals and presents his research nationally at orthopedic conferences and meetings each year.
Dr. Lawrie has particular interests in anterior approach hip replacement and cementless total knee arthroplasty. He also has specialized training in complex and revision hip and knee replacement. He’s dedicated to providing his patients with personalized care to help them understand their problems, consider their options, and work together to pick the right solution.
In his spare time, Dr. Lawrie enjoys spending time with his wife, son and dogs, traveling and kitesurfing.
Dr. Thomas Duquin is a native of Buffalo, New York. He received his Bachelors in Science from Hobart College and his Medical Doctorate from the University at Buffalo. He continued his residency training at the University at Buffalo in orthopaedic surgery and went on to obtain fellowship training in shoulder and elbow reconstructive surgery at the Mayo Clinic. He returned to Buffalo following his fellowship training.
In his clinical practice, he cares for patients with a range of conditions affecting the upper extremities. The primary focus of his practice is the treatment of rotator cuff disorders, arthritis and complex trauma of the shoulder and elbow.
His research interests focus on shoulder replacement surgery and he is currently involved in multiple studies including both basic science and clinical outcomes research regarding shoulder arthroplasty. He is also actively involved in resident training and works closely with residents and medical students on a daily basis.
Dr. James Ballard is a Board Certified Orthopedic Surgeon specializing in primary and revision joint replacement of the hip and knee. Dr. Ballard has consistently been honored as a top Orthopedic surgeon in his region, with patients praising his bedside manner and quality of treatment.
In addition to keeping current on all the latest advances in Orthopedic surgery, Dr. Ballard travels around the world to teach other Orthopedic surgeons about new hip and knee replacement technologies. He performed the first outpatient total joint replacement in the Northwest, and now offers this option for all patients when appropriate. He also helps medical device companies fine-tune new hip and knee replacement implants before bringing them to market. He makes regular appearances on local Portland media stations, including KPTV, KOIN, and KATU and has also been featured in several print magazines.
Dr. Ballard received his medical degree from the Baylor College of Medicine in Houston, Texas, and completed his internship and residency at the University of Nebraska / Creighton Health Sciences Foundation in Omaha, Nebraska. Dr. Ballard completed his fellowship with one of the pioneers of minimally-invasive total hip replacement, Dr. Todd Swanson, at the Desert Orthopedic Center in Las Vegas, Nevada.
In his spare time, Dr. Ballard enjoys scuba diving, golf, and spending time with family.
Dr. John Klibanoff is a Board Certified Orthopedic Surgeon and Fellow of the American Academy of Orthopedic Surgeons. Dr. Klibanoff completed his residency under Roby C. Thompson Jr., MD at the University of Minnesota in 1995. He specializes in adult reconstruction and limb preservation along with a robust practice including hip and knee replacement, robotic and customized joint surgery, shoulder reconstruction, revision reconstructions, and infection and bone loss treatment. He also performs outpatient joint surgery, arthroscopic shoulder and knee surgery, and osteonecrosis and metabolic bone disease treatment.
Retired from military service as a Lieutenant Colonel, he’s a decorated veteran of both Gulf Wars. For more than 25 years, he has practiced in Rochester, New York.
Dr. Klibanoff has written many articles, presented nationally and internationally, and been awarded Teacher of the Year by the University of Rochester Department of Orthopedic Surgery. Along with providing his patients with the highest quality care possible, Dr. Klibanoff views teaching and stewardship as the most important elements of medical practice and something to be shared vigorously to promote improved quality of life for everyone.
Beyond Orthopedics, Dr. Klibanoff’s thesis was in virology, and he counseled STANYS during the COVID-19 pandemic and wrote a weekly scientific blogs related to the outbreak. He holds several patents and is the current Chair of the Board of Directors of the Rochester City Ballet.
In his spare time, Dr. Klibanoff enjoys endurance running, swimming, and cycling, reading, relaxing with his wife, Brigid, and spending time with his four children 16 – 28.
Michael S. Lee, DPM is a board-certified foot and ankle surgeon practicing in Iowa.
Dr. Lee attended the University of Northern Iowa where he majored in biology. He then earned his Doctor of Podiatric Medicine (DPM) and Master’s in Health Care Administration (MS – HCA) degrees at Des Moines University. He completed his foot and ankle surgical residency at the Western Pennsylvania Hospital in Pittsburgh, PA.
Dr. Lee has been in practice in Central Iowa for 20 years. He is a past president of the American College of Foot and Ankle Surgeons (ACFAS). He’s board certified in both foot surgery and reconstructive rear foot and ankle surgery by the American Board of Foot and Ankle Surgery (ABFAS). Dr. Lee is a noted author and lecturer/educator at national meetings and surgical skills courses. He’s also a key opinion leader in foot and ankle surgery techniques and product development for the medical device industry.
In his free time, Dr. Lee enjoys spending time with his family and friends, golfing, and spending time at the lake boating.
Susan A. Alexander is a lifelong lover of words. Among other word-related pursuits, she enjoys journaling and blogging, as well as word games. She earned a BA in Psychology from Grace College in Winona Lake.
Having worked in the orthopedics industry for a long time, Sue has written and edited many different types of materials, from corporate annual reports to patient education brochures. Give her a writing or editing assignment and she will happily plug away at it. She likes researching and learning new things.
Sue enjoys spending time with friends and family and volunteering with children’s ministries at her church. She also likes to immerse herself in a good book.
Raven S.D. Lopez hails from the Midwest and received her bachelor’s degree from Indiana University. A former social worker, her cases involved everything from substance abuse to domestic violence to human trafficking.
It was through this work that Raven became increasingly interested in social determinants of health and public health policy. Thus she went back to school getting her MBA with a concentration in Healthcare Management. Now she spends her days developing content educating patients about their musculoskeletal health options.
Raven and her husband live in Indiana, catering to the whims of a bossy cat and ever-anxious Labrador. When she isn’t working you can find her hunting for the next great book to add to her library (she owns over 1,100 books!) or convincing her husband to start another home renovation project.
Carly Garrow received her Bachelor of Science in Biological Engineering from the University of Missouri. After graduating, she received a Whitaker Research Fellowship at the University of Heidelberg in Germany, investigating the best methods for teaching surgical skills to surgeons-in-training.
After returning to the U.S., Carly joined Zimmer Biomet as a clinical representative for ROSA Brain and dove head-first into the world of epilepsy and functional neurosurgery. She currently works on the ROSA Brain marketing team, helping to expand the treatment possibilities for patients with epilepsy, movement disorders, and other neurological conditions.
Carly is passionate about travel and curious about different cultures and languages. In her free time, you can find her playing soccer with her husband, practicing her German and French skills, or curling up with a good book and her two cats. She currently lives in St. Louis, Missouri.
Perry Twyford, PhD grew up in Houston, TX, and earned degrees in Biomedical Engineering with a focus in Neuroscience at Case Western Reserve University and University of Florida. After completing a research fellowship at Harvard Medical School, Perry made the transition to the medical device field when he began working with ROSA Brain, a robotic device that assists with minimally invasive neurosurgery.
He currently leads the ROSA Brain marketing team at Zimmer Biomet, where he works to bring cutting-edge robotics and technology to the fields of functional neurosurgery and epilepsy surgery. His hope is that by making complex neurosurgery more accessible to a larger number of surgeons through robotics, more patients can ultimately benefit from these important procedures.
He currently lives in Jacksonville, FL with his wife and 2 children.
Zimmer Biomet does not practice medicine and the content of this site is intended for general public interest. The website and its contents do not constitute medical, legal, or any other type of professional advice. Please consult with your physician or other healthcare professional for medical advice and see the 'Legal Notice' link. Patient testimonial results discussed on this site are not necessarily typical, indicative, or representative of all recipient patients. Results will vary due to health, weight, activity and other variables. Not all patients are candidates for the products/ procedures mentioned on this website, and only a medical professional can determine the treatment appropriate for your specific condition. Appropriate post-operative activities and pain will differ from patient to patient. Talk to your surgeon about whether joint replacement or other treatment is right for you and the risks associated therewith, including the risks of infection, implant wear, loosening, breakage or failure of implanted materials, any of which can necessitate additional surgery or treatment. For additional information or to find an orthopedic or sports medicine surgeon near you, visit www.zimmerbiomet.com [or call 1-800-HIP-KNEE].
References and/or links herein may take readers to clinical websites and/or materials owned or authored by Zimmer Biomet customers or paid consultants and in no way constitute a referral or endorsement of any particular healthcare provider. Zimmer Biomet is not responsible for the accuracy of content within links and/or references not otherwise owned, controlled, or affiliated with Zimmer Biomet.
All content herein is protected by copyright, trademarks and other intellectual property rights, as applicable, owned by or licensed to Zimmer Biomet or its affiliates unless otherwise indicated, and must not be redistributed, duplicated or disclosed, in whole or in part, without the express written consent of Zimmer Biomet.