Faculty

Click on the faculty name to view their full biography.

Thomas Chang, DPMThomas Chang, DPM

Clinical Professor and Past Chairman of the Department of Podiatric Surgery at the California School of Podiatric Medicine in Oakland and the Past Chief of Podiatric Surgery at the UCSF/Mt. Zion Medical Center. He has contributed many articles to medical journals for emerging surgical technologies, and has also participated as a co-investigator for clinical trials and research studies. He authored, “Master Techniques in Podiatric Surgery: The Foot and Ankle” which has sold over 10,000 copies worldwide and 25% of the sales goes towards international medical mission funds. Dr. Chang serves on the editorial board of the Journal of the American Podiatric Medical Association, Foot and Ankle Specialist, and Podiatry Today Magazine.

Vinod Dasa, MDVinod Dasa, MD

Dr. Vinod Dasa is an orthopaedic surgeon who graduated from the combined the BS/MD program at Union College and Albany Medical College. He went on to do a residency at the University of Buffalo in NY and then an adult reconstruction fellowship at the Insall Scott Kelly Institute in Manhattan, NY.

He joined LSU in 2007, 2 years after hurricane Katrina. He has spent his tenure at LSU where he helped to rebuild the orthopedic department infrastructure and develops his research and clinical interests. Dr. Dasa is currently an Associate Professor and the Ervin Cahen endowed Chair for Orthopaedic Research. He serves on numerous local, regional, and national committees. Dr. Dasa has lectured around the world on knee arthritis and has multiple publications in peer reviewed journals focusing on musculoskeletal research.

Jason George DeVries, DPMJason George DeVries, DPM

Orthopedic & Sports Medicine - BayCare Clinic, Green Bay, WI. Dr. DeVries is board certified in foot surgery, reconstructive/rearfoot and ankle surgery, and a fellow in the American College of Foot and Ankle Surgeons. He completed his fellowship of Advanced Foot and Ankle Surgery at the Orthopedic Foot and Ankle Center in Columbus, OH. He is an active researcher and has multiple peer-reviewed research publications.

>Carl Flannery, PhDCarl Flannery, PhD

Director of Scientific Affairs at Bioventus. Dr. Flannery is a medical/molecular scientist with extensive professional experience in the identification and development of therapies for the treatment of orthopaedic pathologies such as osteoarthritis. He has authored over 60 peer-reviewed publications including several subject area reviews, is an inventor on multiple patents, and has been an invited speaker at a number of national and international scientific/medical conferences.

>Kent Gordon, PE, PhDKent Gordon, PE, PhD

Medical Science Liaison, Bioventus. Kent has a PhD in biomedical engineering and is a registered professional engineer. He has worked in medical device research and development and was previously an engineering consultant.

Andrew Harrison, PhDAndrew Harrison, PhD

Andrew Harrison PhD is the Director of Research for Bioventus. Andrew has been working as a bone & cartilage biologist for the past 25 years. He completed his PhD on the differentiation of mesenchymal stem cells at Manchester University. He started his career at the Robert Jones and Agnes Hunt Orthopaedic Hospital in Oswestry in the United Kingdom. During his 5 years at the orthopaedic hospital in Oswestry he researched areas including osteoporosis, ankylosing spondylitis, and raised antibodies to cartilage matrix proteins.

In 1995 Andrew joined Smith & Nephew leading numerous projects involving BMP binding proteins, novel small molecules for fracture repair and investigating new implant surfaces. In 2004 Andrew accepted the position to uncover the mechanism of action of EXOGEN®. In doing this he led an internal team and managed external collaborations in Europe, US and Asia. The mechanism of action of EXOGEN® continues to develop and Andrew keeps abreast of the latest developments with his contacts through an open innovation process. In 2012 the Biologics arm of Smith & Nephew was sold to Essex Woodland in the US creating Bioventus, and as part of this EXOGEN® was moved from Smith & Nephew to Bioventus.

Andrew is a member of a number of orthopaedic societies including Orthopaedic Research Society (ORS), British Orthopaedic Research Society (BORS), Osteoarthritis Research Society International (OARSI) and British Society for Matrix Biology (BSMB).

Ross Leighton, MDRoss Leighton, MD

Dr. Leighton is presently a Professor of Surgery at Dalhousie University in Halifax, Nova Scotia, Canada. He started his initial work in bone, substitutes and Trauma care while doing a fellowship with Jim Waddell in Toronto in 1985 and Mike Chapman in Sacramento, California in 1986. Since that time he had a huge interest in Orthopaedic Trauma and the care of the acute Trauma Victim. As Provincial Trauma Director for Nova Scotia he was instrumental in setting up a state of the art Trauma system in Nova Scotia from 1997-2000. As the same time he and his colleagues at Dalhousie accomplished many biomechanical and clinic studies including a Pelvic plate system presently marketed throughout the orthopaedic world. Many of his research projects were focused on structural bone substitutes and as such have produced a large quantity of significant data on the usefulness of these materials.

Dr. Leighton runs a fellowship program in trauma and arthroplasty as Dalhousie University out of the QEII Health Sciences Centre. This centre is also an accredited residency training program in Canada. Dr. Leighton is currently the President of the Nova Scotia Orthopaedic Society and Medical Staff at the QEII. He is also the President of the Canadian Orthopaedic Trauma Society which has been very active and productive with numerous multi-center randomized trials.

Samir Meta, MDSamir Mehta, MD

Dr. Samir Mehta is an Assistant Professor in the Department of Orthopaedic Surgery at the Perelman School of Medicine at the University of Pennsylvania.  After completing his undergraduate work at Northwestern University in the Integrated Science Program with a minor in English, Dr. Mehta returned to his home-town of Philadelphia for medical school at Temple University.  He stayed in Philadelphia for his Orthopaedic Surgery residency at the University of Pennsylvania where he was a research fellow and was also awarded the DeForest Willard Award. 

Having developed an interest in Orthopaedic Traumatology, Dr. Mehta furthered his education as an orthopaedic trauma fellow at Harborview Medical Center in Seattle, Washington.  Upon completion of his orthopaedic trauma fellowship, Dr. Mehta was awarded the AO John Border European Trauma Award as the best graduating orthopaedic trauma fellow from North America and continued his education at the University of Saarland in Homburg, Germany.  Upon his return the United States, Dr. Mehta took a faculty position at the University of Pennsylvania as Chief or the Orthopaedic Trauma and Fracture Service.  He has a particular interest in pelvic and acetabular fractures, repair of non-unions and malunions, and reconstruction of peri-articular fractures.

Dr. Mehta is also actively involved with the American Academy of Orthopaedic Surgery, the American Orthopaedic Association, and the Orthopaedic Trauma Association.  He has been awarded the prestigious American Orthopaedic Association-North American Traveling Fellowship and also has served as an AAOS Health Policy Fellow on Capitol Hill.  His research interests include traumatic articular cartilage injury, non-unions, and fracture healing.  He has participated in over ninety peer review publications, has multiple current studies, and has presented on numerous occasions nationally and internationally.  He has been awarded several grants from agencies such as the DOD and NIH.  He has been actively involved in multiple research projects examining graduate medical education and is currently a faculty member for the AAOS Course for Orthopaedic Educators.  Dr. Mehta is actively involved in the Department of Orthopaedic Surgery at the University of Pennsylvania serving on the Graduate Medical Education Committee, Finance Committee, as the Trauma Liaison, and participating in Resident Applicant Interviews.  In addition, Dr. Mehta enjoys running and traveling.

Helen Smith, PhDHelen Smith, PhD

Helen Smith, PhD has been working at Bioventus as a scientific liaison since 2013. Helen provides non-promotional educational training for all healthcare workers from nurses and junior doctors to consultants. These training events focus on all research surrounding the products sold by Bioventus from clinical studies through to the mechanism and mode of action for EXOGEN® and the mode of action for DUROLANE®. In addition Helen supports the training and marketing departments and the International sales forces.

Prior to working at Bioventus Helen worked at the Robert Jones and Agnus Hunt Orthopaedic Hospital in Oswestry, UK for 9 years. During this time she obtained her PhD from Liverpool University where she studied metabolic bone disease and the effects of statins on bone turnover. Following the successful completion of her PhD Helen attained a post doctoral position with Keele University investigating stem cell differentiation, cell migration and cytokine involvement in osteoarthritis in the laboratories at the Robert Jones and Agnus Hunt hospital.

R. Grant Steen, PhDR. Grant Steen, PhD

Medical Affairs, Bioventus. Dr. Steen spent the first 20 years of his career in academics, with appointments at John Hopkins Medical School, the University of Washington, St. Jude Children’s Research Hospital, the University of Tennessee, and the University of North Carolina. His research focused on developing new clinical applications for magnetic resonance imaging (MRI). More recently, he has been a freelance consultant in medical publishing, has worked for Bioventus for 3 years, and has authored 8 books and nearly 100 articles in the refereed scientific literature.

Robert Zura, MDRobert Zura, MD

Dr. Robert Zura is Professor and the Robert D’Ambrosia Chair of Orthopaedics at the Louisiana State University Health Sciences Center in New Orleans, Louisiana. Prior to relocating to Louisiana, he was a tenured Associate Professor of Orthopaedics at Duke University Medical Center and the Director of Orthopaedic Trauma for the Duke Health System. His clinical interests include acute fracture care, deformity correction, malunions, nonunions, and osteomyelitis (infections of the bone). Dr. Zura’s research at Louisiana State University includes nonunions, osteomyelitis and geriatric fractures. He has received numerous grants in these areas. Dr. Zura’s collaborative research in basic science focuses on post traumatic arthritis and heterotopic ossification. He has over 80 manuscripts published in peer reviewed journals.

Dr. Zura serves on the boards of the Southern Orthopaedic Association and the Kuentscher Society. He has served in leadership positions in the Orthopaedic Trauma Association, the American Orthopaedic Association, and the American Academy of Orthopedic Surgeons. He has traveled extensively, helping to educate medical professionals in other countries and operate on underserved patients in many countries including Argentina, Austria, Bolivia, Brazil, Canada, the Czech Republic, China, Italy, Germany, Korea, Paraguay, the Netherlands, and Uganda. Dr. Zura was twice named a distinguished visiting scholar at Landstuhl Regional Medical Center in Germany, where he cared for US and NATO coalition soldiers returning from Iraq and Afghanistan.

Dr. Zura graduated from the University of Virginia and the Johns Hopkins School of Medicine. He completed his residency at the University of Virginia, and a Trauma Fellowship at Carolina Medical Center.

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Last modified: Friday, November 16, 2018, 11:52 AM