Andrew Callen

Andrew L. Callen, MD is an Associate Professor of Radiology and Neurology at the University of Colorado School of Medicine. A recognized leader in spinal CSF leak research and care, Dr. Callen is the founder and Director of the CU CSF Leak Program, the first multidisciplinary center in Colorado dedicated to the diagnosis and treatment of CSF leaks. Under his leadership, the program has become a national and international referral hub, pioneering advanced imaging and therapeutic techniques that have significantly improved patient outcomes.

Dr. Callen has published extensively, including over 60 manuscripts, with more than 30 peer-reviewed publications and two textbook chapters focusing on CSF dynamics and spinal CSF leaks. He is also the inventor of a novel patient positioning device for dynamic CT myelography, which enhances diagnostic accuracy for CSF leaks.

In addition to his research, Dr. Callen is a founding member of the International Spinal CSF Leak Society and serves on the medical advisory boards for the U.S. and Canadian Spinal CSF Leak Foundations. He is the Course Director of the annual Spinal CSF Leak: Bridging the Gap conference, a unique event that integrates patient narratives with expert insights to drive innovation in CSF leak diagnosis and treatment.