Dr. Weiner has over 25 years of experience in the discovery and clinical development of novel therapeutics for neurological, psychiatric and rare diseases. He began his career at ACADIA Pharmaceuticals, where he held a series of discovery research and clinical development roles working on multiple central nervous
system (CNS) therapeutics, most notably pimavanserin, a 5-HT 2A receptor inverse agonist, which is approved for the treatment of Parkinson’s disease psychosis. Dr. Weiner also served as the Chief Medical Officer (CMO) and Interim Chief Executive Officer (CEO) for Proteostasis Therapeutics, CMO at aTyr Pharma and Lumos Pharma, CEO at Amathus Therapeutics, and as an independent board member and senior executive at Eleusis, a company focused on therapeutic development of psychedelics and novel 5-HT 2A receptor agonists.

He has authored more than 30 scientific publications and patents and serves on multiple clinical and scientific advisory boards, including the Michael J. Fox Foundation for Parkinsons Research. He received his M.D. from the School of Medicine and Biomedical Sciences, SUNY at Buffalo, was a Howard Hughes
Medical Institute Research Scholar at the NIH, trained in neurology at New York Hospital, Memorial Sloan Kettering, Cornell Medical Center, and did a post-doctoral fellowship in neuropharmacology at the University of Vermont.