Our Team At Vanderbilt
These staff members form our core team at Vanderbilt University Medical Center. These individuals are dedicated to improving patient care through research. Our partner institutions share this commitment.
Nitin Jain | MD, MSPH
Nitin Jain is the Principal Investigator (PI) of the ARC trial. He is a physical medicine and rehabilitation trained physician with expertise in shoulder disorders.
He grew up in India and completed his residency training at the Spaulding Rehabilitation Hospital/Harvard Medical School program. He completed a fellowship in shoulder disorders at Brigham and Women’s Hospital. He is now an Associate Professor in the Departments of Physical Medicine and Rehabilitation, Orthopaedics, and Epidemiology at Vanderbilt. Dr. Jain’s research focuses on clinical trials and epidemiology of musculoskeletal disorders. He has also worked in the area of spinal cord injury. He has received funding from the National Institutes of Health (NIH) and the Patient Centered Outcomes Research Institute (PCORI) for his work. He has over 55 publications in peer-reviewed journals and has made numerous national and international presentations. He has served on several national and international committees, including those for the American Shoulder and Elbow Society, American Academy of Physical Medicine and Rehabilitation, Association of Academic Physiatrists, American Academy of Orthopaedic Surgeons, and the International Society for Physical and Rehabilitation Medicine. He is the Associate Editor for the Journal of Bone and Joint Surgery and the American Journal of Physical Medicine and Rehabilitation. Dr. Jain has been recognized for his work with the Young Academician Award from the Association of Academic Physiatrists and received several best paper awards. On a personal note, he enjoys spending time with his wife and 3 children, and answering the “why” questions from his kids.
Helen Koudelková | MA, MA
Helen Koudelková is the Project Manager and Executive Research Coordinator for the Arthroscopic Rotator Cuff (ARC) Clinical Trial. She works directly with the study’s Principal Investigator, Dr. Nitin Jain, to help manage, oversee, and direct all aspects of trial planning and implementation. This includes coordinating operations at all 12 recruiting sites, as well as the various centralized functions performed at Vanderbilt. She is also the coordinator for the ROW Shoulder Study. Helen holds a Master’s degree in Philosophy from Vanderbilt University, as well as a Master’s degree in English from CSULB. She taught numerous undergraduate philosophy, ethics, and logic courses at Vanderbilt University and elsewhere prior to joining the Physical Medicine & Rehabilitation research team at VUMC. Helen enjoys travelling, hiking, backpacking, and many other outdoor activities. She has been an active scout leader for the past decade and is currently the adult Advisor for Middle Tennessee’s only all-female BSA Venturing Crew.
John Edward Kuhn | MD, MS
John Edward Kuhn is the Surgical Core Lead for the ARC Trial, and also a recruiting physician for Vanderbilt. He is currently the Kenneth D. Schermerhorn Professor of Orthopaedic Surgery in the Department of Orthopaedic Surgery at Vanderbilt University Medical School, where he serves as the Director of the Division of Sports Medicine and Chief of Shoulder Surgery. He also serves as the Medical Director for the Nashville Predators Ice Hockey Team. Dr. Kuhn’s area of expertise is the shoulder. He created the MOON Shoulder Group, which is a collaborative effort of 27 surgeons and multiple research personnel at 12 sites across the United States. They conduct large multi-center studies investigating shoulder problems. The first series of investigations studied the non-operative treatment of rotator cuff tears, and produced 14 peer-reviewed manuscripts. The American Shoulder and Elbow Surgeons recognized this work by awarding Dr. Kuhn the Charles S. Neer Award in 2011 and 2013. Dr. Kuhn has 72 peer-reviewed publications, 29 non-peer-reviewed publications, 34 orthopaedic textbook chapters, and is an editor of two texts. He is also an Associate Editor for the Journal of Shoulder and Elbow Surgery.
Kristin R. Archer | PhD, DPT
Kristin R. Archer is the Rehabilitation Core Lead for the ARC Trial. She is also an Associate Professor of Orthopaedic Surgery and Physical Medicine and Rehabilitation, and Vice Chair of Orthopaedic Research. She conducts independent research into outcomes after orthopaedic surgery, and her program focuses on the implementation of rehabilitation interventions through comparative effectiveness research. Research interests also include the development of tools to predict outcomes after surgery and assess pain, and patient psychosocial characteristics. Dr. Archer has been funded by the NIH, DoD, PCORI, and National Institute on Rehabilitation Research, as well as various foundations for research studies. She is a site PI and member of the Executive Committee for the Major Extremity Trauma and Research Consortium, which is funded by the DoD. Dr. Archer is the author of 86 peer-reviewed papers and has received awards from the North American Spine Society and American Congress of Rehabilitation Medicine. She holds a doctoral degree from the Johns Hopkins Bloomberg School of Public Health, and a masters and doctorate in physical therapy from the University of Colorado.
Gregory (Dan) Ayers | MS
Gregory (Dan) Ayers is the primary statistician for the ARC Trial and a faculty member in the Department of Biostatistics at Vanderbilt University Medical Center. Dan developed the statistical design for the ARC Trial and will work to help ensure that data collection, analysis, and trial conduct for the trial meet the highest national standards. Dan will guide the development and presentation of statistical trial monitoring reports for the ARC Steering Committee and DSMC (Data Safety Monitoring Committee). Dan has worked on clinical research teams for clinical trials such as this one many times throughout his career, funded by the National Cancer Institute, the National Heart, Lung, and Blood Institute, and the National Institute of Diabetes and Digestive and Kidney Diseases. Dan earned a B.S. (Bachelor of Science) degree in Forestry from Virginia Polytechnic Institute and M.S. (Master of Science) degrees in both Forestry and Applied Statistics from Louisiana State University, and subsequently has co-authored more than 90 peer-reviewed research articles in basic and clinical science. Dan considers himself a poor fisherman, frustrated athlete, a dedicated clinical researcher, and devoted family man.
Run Fan | PhD, MS
Run Fan is a biostatistician in the Department of Biostatistics at Vanderbilt University Medical Center. She is a data analyst for the ARC Trial, as well as the ROW Cohort Study. She provides statistical support to research projects, including data management, study design, development and implementation of statistical analysis plans, and producing reports. Common statistical tools that she works with include association tests, general and generalized regression modeling, mixed model, survival analysis, bootstrapping, missing data techniques, model validation and calibration, and non-parametric techniques. Prior to joining Vanderbilt’s team, Run was a postdoctoral research associate at University of Virginia, where she found that mitogenic signaling pathways promote cell growth by regulating the Hippo pathway in mammary gland cells. Run holds a PhD in Microbiology from the University of Alabama at Birmingham and a master’s degree in Biostatistics from Vanderbilt University. Family hiking is Run’s favorite on a beautiful weekend!
Brian Richardson | PT, MS, SCS, CSCS
Brian Richardson serves as the Trial Lead Physical Therapist for the ARC Trial. He has helped develop the physical therapy forms used in the study, including the physical therapy guidelines, as well as helped train the site lead physical therapists. In other duties, he serves as the Assistant Manager for outpatient rehabilitation at Vanderbilt Orthopaedic Institute and also serves as the Clinical Residency Director for the Sports Residency program. He earned a B.S. degree in Physical Therapy from the University of Tennessee Allied Health Science Center in Memphis and an M.S. degree in Exercise Science from Middle Tennessee State University. Brian is a Board Certified Clinical Specialist in Sports and is a Certified Strength and Conditioning Specialist. Brian has co-authored chapters on Upper Extremity Rehabilitation, including Postoperative Rotator Cuff Rehabilitation. Brian served as Site Lead PT for the MeTeOR study, which was a randomized controlled trial on knee osteoarthritis and meniscus tears. He also participates in ACL research as a member of the MOON study. Brian is married to his wife Kimberley and has two children, Andrew and Isabella. He enjoys playing golf and traveling to the Caribbean.
Rebecca Dickinson | PT, DPT, COMT
Rebecca Dickinson has been a physical therapist for 20 years and has spent the last 12 years as a clinical physical therapist at the Vanderbilt Orthopaedic Institute. She is currently the Clinical Coordinator of Sports Rehabilitation and is a Site Lead Physical Therapist for the ARC Trial. Rebecca serves on the advisory board for the Program for Injury Prevention in Youth Sports through Monroe Carell Jr. Children’s Hospital at Vanderbilt. She is also a member of the American Society of Shoulder and Elbow Therapists. Rebecca’s research interests and previous publication are focused on disorders of the rotator cuff. She received her Bachelor of Science degree in Physical Therapy from the University of Tennessee at Chattanooga and her Clinical Doctorate in Physical Therapy from the College of St. Scholastica. Rebecca enjoys cheering on the Predators and Titans with her husband and two children.
Alese Halvorson is currently a graduate student in Vanderbilt University’s Department of Biostatistics. She is a member of the statistical team for the ARC Trial as a data analyst. Alese hails from Minnesota and graduated from Macalester College in St. Paul, Minnesota in 2015 with a B.A. (Bachelor of Arts) degree in Applied Mathematics and Statistics. She then worked at Mayo Clinic in Rochester, Minnesota for two years as a statistical programmer analyst in the department of cancer center statistics before making the move down to Nashville.
Anna Whitney is a Clinical/Translational Research Coordinator in the Physical Medicine and Rehabilitation department and the primary Site Recruiter for the ARC Trial. She also helped develop training materials, prepare the databases through testing, and write sections of the Manual of Operating Procedures. Prior to joining the ARC team, Anna participated in clinical outcomes research at Monroe Carell Jr. Children’s Hospital. She was a summer research fellow twice in the Surgical Outcomes Center for Kids, where she was a primary data collector for a retrospective study on preventable shunt failure. She also co-authored a manuscript about the value of undergraduate research programs, which is currently in preparation for journal submission. Anna graduated Summa Cum Laude from Wake Forest University in 2017 with a B.S. degree in Health and Exercise Science and a minor in Chemistry. She plans to attend medical school down the road and is interested in working with children. In her free time, Anna enjoys hiking, cooking, traveling, and supporting the Nashville Predators.
Kimberly N. Williams
Kimberly N. Williams is a Clinical/Translational Research Coordinator and conducts follow up for both the ARC Trial and the ROW shoulder study at Vanderbilt. She also helped develop this website. She earned a Bachelor of Science degree in Biology from The University of the South in Sewanee, TN, graduating Summa Cum Laude and with Distinction in her major. She is a member of the academic honor societies Phi Beta Kappa and Psi Chi. Kimberly has a wide range of research interests that are reflected in the many projects she worked on in her undergraduate career, ranging from the biological and psychosocial context of alcohol abuse in mice to the development of interpersonal strengths in humans. She is the primary author on a manuscript evaluating the impact of the estrus cycle stage on the incubation of ethanol preference in mice (how the estrus cycle affects relapse patterns in women addicted to alcohol), which has been accepted for publication in the undergraduate neuroscience research journal IMPULSE (pending revisions). In her free time she enjoys running with her dog, cheering on the Nashville Predators, binge watching TV shows on Netflix, and reading.
Members: Marian Derryberry, Ella Frazier-Chadwell, Walter Grooms, Diane McEndree, Michael McEndree, Suthan Subhawong, Samir K. Bhattacharyya, Thomas R. Mitchell
Stakeholder Advisory Board Photo Coming Soon