Brian D. Lawenda, M.D. is a Harvard-trained radiation oncologist, integrative medicine specialist, and former U.S. Navy Commander. Consistently recognized as a Top Doctor by U.S. News & World Report and Castle Connolly, Dr. Lawenda is a nationally respected leader in the integration of advanced cancer therapies with evidence-based functional medicine. He is the author of multiple books. His work focuses on precision oncology, lifestyle-based interventions, and comprehensive, patient-centered care.