About the Team

Dr. Gross and his staff, a.k.a The Gross Team, would like to welcome you and tell you more about the team and what to expect while treating with them for your injury or ailment.

The Gross Team is a division of The Orthopedic Center of St. Louis. The Orthopedic Center of St. Louis consists of nine specialized physicians working under the same roof.   Each physician has a team and each team may not necessarily have the same policies or hours. But they all have the same goal, which is getting patients back to work, activities or life.


Lyndon B. Gross, MD, PhD

Undergraduate: Dr. Gross earned his BA at Cornell University, Ithaca, New York. While at Cornell he played football all four years and was awarded the MVP in 1986.

Post Graduate Training: Dr. Gross continued his education at State University of New York, Brooklyn, New York where he earned his medical degree and was elected a member of the Alpha Omega Alpha Honor Medical Society and Graduated Cum Laude Class of 1993. In addition he earned his Ph.D. in Molecular Biology. During this time Dr. Gross began playing rugby for the Downstate Rugby Football Club, he went on to play with the Seven’s Rugby Select Side Rugby Team in Hong Kong and in several National Championships.

Orthopedic Residency: Dr. Gross completed his orthopedic training at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.

Sports Medicine Fellowship: It is becoming the standard of care to work with a Fellowship Trained physician. A fellowship is a year-long period of additional training in the area of specialty. Its purpose is to increase knowledge and improve medical judgement, surgical skills, and total management of patients. Dr. Gross completed his Fellowship training in Sports Medicine at the world renowned Alabama Sports Medicine Institute under Dr. William Clancy and Dr. James Andrews. During his Fellowship he worked with Troy University Football Team and the Tampa Bay Rays Baseball Team.

Dr. Gross has a son names Jordan and an Italian Mastiff named Gabby. In his free time he enjoys traveling and he is an avid cyclist and wine collector.

Kelli Dean, PA-C, Physician Assistant

Kelli has been with the Gross Team since 2011. She attended Saint Louis University for Physician Assistant School which she greatly enjoyed. Prior to SLU she went to Webster University in St. Louis where she was a four year member of the softball team playing both catcher and outfield. She even underwent her own shoulder surgery and recovery as a junior which she often shares with patients. Kelli lives in south St. Louis city, close to Ted Drewes custard. Her local favorite! Both she and her wife have two wonderful girls who keep them really busy. In their free time they enjoy yard work, house projects, and slow pitch softball. Kelli has enjoyed becoming part of the Gross team and really enjoys spending time with patients and educating them on their injuries.

Korrin Sutberry, PA, Physician Assistant

Korrin has been with The Gross Team since 2021. She is a recent graduate of Sullivan University Physician Assistant School in Louisville, KY. Prior to Physician Assistant school, Korrin attended Lindenwood University where she received her Bachelors in Biological Sciences. Korrin now lives in Chesterfield, MO which is close to her niece and nephew, whom she adores. In her free time she enjoys running, finding new coffee shops around town and spending quality time with her family and friends. Korrin is very excited to be a part of The Gross Team and looks forward to meeting new patients and seeing familiar faces from her home town of Perryville, MO.

Jennifer Booher, Workers' Compensation and Legal Coordinator

Jennifer began her career in Orthopedics in 1992 in Alton, IL and began working with Dr. Gross in 1999. She lives in Illinois with her husband Chris. Her daughter Phoebe is a student at Illinois State University.  In her spare time she is a professional organizer and loves to garden.

Elise Foelsch, RMA, Medical Assistant and Surgery Coordinator

Elise has worked as a Medical Assistant in Sports Medicine since 1999. She has worked with Dr. Gross since 2005. She is a native of St. Louis and is very active in physical fitness and Triathlons. Her active lifestyle enables her to empathize with the challenges that our patients face. She loves getting to know our patients through the entire process of diagnosis, treatment, rehabilitation, and seeing them return to the activities they enjoy.

Jenny Rolens, Billing Coordinator

Jenny joined The Gross Team in 2008. She is Dr. Gross' billing coordinator. If you have any questions regarding your billing or statement please contact her directly at 314-336-2638.

Shannon McIntosh, Medical Assistant

Shannon joined the Gross Team in 2019. She has been a certified medical assistant for more than 15 years. She is a native and proud St Louisian. She is married to a former K9 police officer. She takes part in several fundraisers throughout the year to support local first responders. She has two daughters, Payton 20, Hailey 17, and former K9 Rolf. In her spare time she enjoys volunteering for the Hazelwood West Marching Wildcats. She enjoys her job, especially helping our young student athletes get back to the sports they love.