Shealynn Buck, MD

Chief Medical Officer


Dr. Buck is Chief Medical Officer at Lockton Companies serving as a health and welfare strategic consultant for U.S. employer clients, including health care employers, and specializing in clinical data analysis to inform actionable cost and risk mitigation solutions.

Dr. Buck is the clinical leader of Lockton’s Coronavirus Advisory Practice and guides a multi-disciplinary team of 22 clinical experts providing timely and practical clinical advice to 13,000+ U.S. employers and Lockton Associates.

Dr. Buck received her Doctor of Medicine degree from Emory University School of Medicine and completed residency and fellowship training in Clinical Pathology and Transfusion Medicine at Emory University, which included specialized training in immunology, virology, infectious disease laboratory testing, clinical laboratory operations and blood bank operations taught by faculty from CDC, Emory, VA and Grady Memorial Hospital. Prior to joining Lockton, Dr. Buck served as a medical director and vice president of health integration at Marsh & McLennan Agency, executive medical director of DeKalb Medical Center in Atlanta tasked with oversight of healthcare worker occupational health & safety, Sr. Medical Laboratory Director of Quintiles Laboratories North America, which involved drug development consulting to the biopharmaceutical industry, and Assistant Medical Director at American Red Cross Biomedical Services.


American Board of Pathology, Board Certified in Clinical Pathology

Emory University School of Medicine, Residency and Fellowship in Clinical Pathology, Doctor of Medicine

Kennesaw State University, Bachelor of Science in Biology, summa cum laude


American College of Occupational and Environmental Medicine Advisory Board, Coles College of Business, Kennesaw State University