Marinus Pharmaceuticals, Inc. announced the appointment of Santiago Arroyo, M.D., Ph.D., to its Board of Directors. Most recently, he served as Chief Medical Officer of Momenta Pharmaceuticals. Concurrent with Dr. Arroyo’s appointment, Enrique J. Carrazana, M.D. has stepped down from the Board, effective as of June 30, 2021. Dr. Carrazana served on the Marinus Board of Directors for eight years and was instrumental in the company’s current pursuit of therapies for both rare genetic disorders and status epilepticus.