Dr. Henson is Chief of Oncology Services at Piedmont Healthcare in Atlanta. He oversees Piedmont Cancer, an 8,500 analytic-case program encompassing 10 acute care hospitals and research centres. He has practiced neuro-oncology for over 25 years and is a well-published leader in brain tumour imaging, with 115 articles, reviews and book chapters to date. Dr. Henson was on the staff of MGH and faculty of Harvard Medical School for 17 years. Prior to joining Piedmont Healthcare as the Chief of Oncology Services, Dr. Henson served as lab PI and chief of neurology at Swedish Neuroscience Institute in Seattle, and was Vice President of Medical Affairs at Swedish Medical Center.

He was also in active clinical practice in neuro-oncology and neuroradiology. He served as the Pacific Northwest program director for NeuroNEXT, the NINDS clinical trials consortium. Board certified in neurology and neuro-oncology, Dr. Henson is a member of the Society for Neuroscience, Society for Neuro-oncology, American Society of Clinical Oncology, and is a Fellow of the American Neurological Association, American Academy of Neurology, and American College of Healthcare Executives.