John Olson Jr., MD FACS PhD

John A. Olson, Jr., MD, PhD is The William K. Bixby Professor and Chairman of the Department of Surgery at Washington University School of Medicine in St Louis, Missouri. He is a board-certified surgeon who specializes in endocrine and oncologic surgery with a focus on surgical diseases of the thyroid, parathyroid, adrenal glands, and breast. Dr. Olson is a member of the American Surgical Association, the Halsted Society, the Society of Clinical Surgeons, the Society of University Surgeons, and the Southern Surgical Association. He has been named to America's Top Doctors, Best Doctors, and US News and World Report's top 1% of doctors in his specialty in the United States. Dr. Olson's research laboratory is funded by the National Institutes of Health to investigate the molecular pathogenesis of parathyroid tumors. He also has been co-principle investigator of clinical trials that documented the ability of aromatase inhibitors to improve surgical outcomes for women with breast cancer. His clinical research also focuses on genetic determinants of breast cancer clinical outcomes. Dr Olson joined the faculty of the Washington University School of Medicine in 2022. He previously was Vice Chair of Surgery and Chief of General and Oncologic Surgery at the University of Maryland. He began his career with a 12-year tenure on the faculty of Duke University in Durham, North Carolina. Prior to working at Duke, he trained in surgical oncology at the Memorial Sloan-Kettering Cancer Center in New York, in general surgery at Washington University in St. Louis Missouri, and was a Registrar of the Royal Infirmary in Edinburgh Scotland. Dr. Olson received his MD and PhD degrees from the University of Florida in Gainesville.

Breast Disease/Cancer

• axillary dissection
• breast biopsy
• breast cancer
• lumpectomy
• lymph node biopsy
• mastectomy
• radical mastectomy
• sentinel node

Endocrine (Gland)

• adrenal cancers/tumors
• adrenal surgery
• hyperparathyroidism
• parathyroid cancer
• parathyroid surgery
• pheochromocytoma
• thyroid nodules/cancer
• thyroid surgery

Head and Neck

• thyroid surgery

Surgical Oncology (Cancer/Tumors)

• adrenal tumors
• biopsy of tumors
• breast cancer
• endocrine cancer
• thyroid cancer/nodules

University of Maryland Medical Center

Baltimore, MD

Chief

02/2012—Present

University of Maryland, St Joseph Medical Center and Cancer Institute

Towson, MD

Trauma/Acute Care Surgeon

07/2015—Present

University of Maryland, Baltimore Washington Tate Cancer Center

Glen Burnie, MD

Consultant, Urological Surgeon

07/2015—Present

University of Maryland, Upper Chesapeake Kaufman Cancer Center

Bel Air, MD

Consultant, Urological Surgeon

07/2015—Present

University of Maryland Shore Regional Health and Cancer Center

Easton, MD

Consultant, Urological Surgeon

07/2015—Present

Duke University School of Medicine

Durham, NC

Assistant Professor

07/2000—12/2005

Duke University School of Medicine

Durham, NC

Associate Professor

12/2005—02/2012

University of Maryland School of Medicine

Baltimore, MD

Professor

02/2012—Present