Benjamin S. Bleier, MD, FACS, FARS is an Associate Professor of Otolaryngology at Harvard Medical School and Massachusetts Eye and Ear. Dr. Bleier is the Director of Endoscopic Skull Base Surgery and Co-Director of the Center for Thyroid Eye Disease and Orbital Surgery. Dr. Bleier is an R01 funded surgeon-scientist with over 150 peer-reviewed articles, book chapters, and two textbooks in the field of sinus related disease. He lectures internationally on his research including the role of P-glycoprotein in CRS, intranasal drug delivery techniques to the brain, and endoscopic management of orbit and skull base tumors. Dr. Bleier has 10 granted and pending patents, has co-founded 2 companies, and has been featured in Boston Magazine, Harvard Medicine Magazine, and the Scientist Magazine for his work in using mucosal grafts to deliver drugs to brain.