Ms. Tuller has over 20 years of experience in regulatory strategy and operations, spanning numerous clinical and commercial-stage products across a wide range of therapeutic indications, including multiple orphan disease programs. She has led or been a part of numerous successful IND, NDA, MAA and BLA applications, including those of Portrazza® in metastatic, squamous NSCLC, Phoslyra® in ESRD, and Avonex Pen® in relapsing MS. Prior to joining Opus, she was Vice President RA at Disc Medicine, and held regulatory leadership positions at Astellas Pharma, where she supported the ophthalmology gene therapy, mitochondrial diseases, and regenerative (cell) medicinal product franchises, as well as prior appointments of increasing regulatory responsibility at companies including Biogen, ImClone, Fresenius, and Baxter. She earned her J.D. in IP law from the University of Dayton School of Law, holds a B.S. in Chemistry, and is RAC certified.