Meet our Board of Directors.

Providing expert guidance and strategic insight to help us fulfill our mission to discover, develop and commercialize life changing therapies for children and adults affected by CNS disorders and rare diseases.


Scott Braunstein, M.D., Chief Executive Officer & Director

Scott Braunstein was appointed Chief Executive Officer of Marinus in August 2019, executive chairman in February 2019 and has served on our Board since September 2018. Dr. Braunstein brings over 20 years of knowledge and experience from diverse biotechnology and pharmaceutical industry vantage points. Dr. Braunstein is currently an operating partner at Aisling Capital. He most recently served as chief strategy officer and chief operating officer at Pacira Pharmaceuticals, Inc. Prior to Pacira, Dr. Braunstein served as a healthcare portfolio manager at Everpoint Asset Management and spent 13 years with J.P. Morgan Asset Management as a healthcare analyst and managing director in the U.S. Equity team, and as portfolio manager of the JP Morgan Global Healthcare Fund responsible for managing investments in pharmaceuticals, biotechnology, and medical devices. Dr. Braunstein is currently on the board at Trevena Inc., Ziopharm Oncology Inc. and Constellation Pharmaceuticals. He previously served as board member of Esperion Pharmaceuticals and Protara Theraputics Inc. Dr. Braunstein began his career as a practicing physician at the Summit Medical Group and as assistant clinical professor at Albert Einstein College of Medicine and Columbia University Medical Center. He earned his medical degree from the Albert Einstein College of Medicine.

Enrique J. Carrazana, M.D., Director

Enrique J. Carrazana, M.D. has served on our Board since November 2013. Dr. Carrazana is the former Chief Medical Officer of Acorda Therapeutics, Inc., where he was responsible for the management of drug development programs and regulatory filings, as well as the company’s medical affairs and drug safety departments. Previously, Dr. Carrazana held various medical leadership roles at Novartis, where his last role was Vice President, Global Head Development Established Medicines Franchise based in Basel, Switzerland. He was also Director of the Epilepsy Center of Excellence at the Miami Veterans’ Administration (VA) Hospital and Associate Professor of Neurology at the University of Miami Miller School of Medicine, and currently serves on the board of directors of Hawaii Biotech Inc. Dr. Carrazana is a board-certified neurologist with more than 20 years of experience in the pharmaceutical industry and clinical practice. He has presented and published a wide range of research on various neurology topics, with an emphasis on epilepsy. Dr. Carrazana received a MD from the Harvard Medical School and completed his residency in neurology and fellowship in neurophysiology at the Harvard Longwood Neurology Program.

Michael R. Dougherty, Director 

Michael R. Dougherty has served on our Board since February 2017. Mr. Dougherty has over 30 years of experience in the pharmaceutical industry, most recently serving as executive chairman of Celator Pharmaceuticals, Inc. (sold to Jazz Pharmaceuticals). Prior to Celator, Mr. Dougherty was chief executive officer and a member of the board of directors of Kalidex Pharmaceuticals, Inc.  Mr. Dougherty also served in a number of capacities during his ten-year tenure at Adolor Corporation, including president and chief executive officer, member of the board of directors, chief operating officer, and chief financial officer. Prior to Adolor, Mr. Dougherty was president and chief operating officer of Genomics Collaborative, Inc. and served in a variety of senior positions at Genaera Corporation, including president and chief executive officer and member of the board of directors, and at Centocor, Inc. Mr. Dougherty is currently on the board of directors at Trevena, Inc., and previously served as a member of the boards of directors of Foundation Medicine, Inc., Aviragen Therapeutics, Cempra, Inc., and Viropharma Incorporated.  Mr. Dougherty received a bachelor’s degree in accounting from Villanova University.

Elan Ezickson, Director

Elan Ezickson joined our Board in December 2019. Mr. Ezickson brings extensive biopharmaceutical operational, strategic and capital formation expertise to Marinus’s board, most recently having served as the Chief Operating Officer and head of corporate development at Scholar Rock Holding Corporation, a clinical stage biotechnology company focused on novel oncology and rare disease treatments. At Scholar Rock, Mr. Ezickson directed corporate development, operations and strategy, and played a significant role in corporate finance, leading the company’s initial public offering. Prior to joining Scholar Rock, Mr. Ezickson served as Executive Vice President and Chief Operating Officer of Aveo Pharmaceuticals where he built and oversaw corporate development, commercial operations, technical operations, medical affairs, program management and legal functions and led capital raising and licensing efforts with multinational pharmaceutical companies. Prior to Aveo, he was at Biogen in roles that included President of Biogen Canada, Program Executive and Associate General Counsel. Mr. Ezickson currently serves on the Boards of Directors of three clinical stage biotechnology firms including Carmine Therapeutics, Tvardi Therapeutics and Ziopharm Oncology. He holds a Bachelor of Arts degree in political science from Yale University and a Juris Doctorate from the Columbia University School of Law.

Seth H.Z. Fischer, Director

Seth H.Z. Fischer has served on our Board since September 2016. Mr. Fischer currently serves as a member of the boards of directors of BioSig Technologies, Inc. and Agile Therapeutics, Inc., and is an advisor to MedHab, LLC. Mr. Fischer served as chief executive officer and director of Vivus, Inc., a publicly traded pharmaceutical company commercializing and developing innovative, next-generation therapies to address unmet needs in obesity, diabetes, sleep apnea and sexual health. Prior to Vivus, Mr. Fischer served in various positions of increasing responsibility at Johnson & Johnson, most recently as Company Group Chairman, Johnson & Johnson and Worldwide Franchise Chairman of Cordis Corporation.  Prior to that he served as Company Group Chairman, North America Pharmaceuticals, which included responsibilities for Ortho-McNeil Pharmaceuticals, Janssen and Scios.  Prior to that, Mr. Fischer served as President of Ortho-McNeil Pharmaceuticals. Mr. Fischer’s operating responsibilities encompassed the commercialization of products in multiple therapeutic categories including Topamax® for epilepsy and migraines and products in the neurologic, analgesic, anti-infective, cardiovascular, psychiatric and women’s health areas, including ORTHO EVRA®, one of the most successful contraceptive launches in the U.S and the first ever contraceptive patch. Mr. Fischer earned a bachelor’s degree in general studies from Ohio University and served as a captain in the U.S. Air Force.

Tim M. Mayleben,  Director

Tim M. Mayleben has served on our Board since December 2008. Mr. Mayleben currently serves as President, CEO and a director of Esperion Therapeutics, Inc., a pharmaceutical company that specializes in developing and commercializing non-statin, once-daily oral therapies for the treatment of patients with elevated low-density lipoprotein cholesterol (LDL-C). Mr. Mayleben has more than a decade of executive leadership roles in the life sciences industry, including, former President, CEO and a director of Vericel Corporation (formerly Aastrom Biosciences), former President, COO and a director of Virtual Radiologics, Inc. (formerly NightHawk Radiology Holdings, Inc.), and former COO and CFO of the original Esperion, until its acquisition by Pfizer in 2004. He is also an advisor to, investor in, and member of the board of directors of several life science companies, including Kaleo, Inc. Mr. Mayleben earned an MBA, with distinction, from the J.L. Kellogg Graduate School of Management at Northwestern University, and a BBA from the University of Michigan, Ross School of Business.

Nicole Vitullo, Director, Chairman of the Board

Nicole Vitullo was appointed Chairman of the Board in August 2019 has served as a Director on our Board since September 2005. Ms. Vitullo is a Partner at Domain Associates and has extensive experience in both public and private investing in biotech companies and liquidation/distribution strategies for public companies. For more than a decade, Ms. Vitullo was responsible for Domain Public Equity Partners L.P., a fund focused on private investments in public companies. Previous to Domain, Nicole was senior vice president at Rothschild Asset Management, Inc., where she had responsibility for the U.S. public market investments of International Biotechnology Trust plc and Biotechnology Investments Limited. Prior to that, Ms. Vitullo served as the director of corporate communications and investor relations at Cephalon, a publicly traded biotechnology company, and held a number of positions at Eastman Kodak, including corporate development. Ms. Vitullo’s current board memberships include Achillion Pharmaceuticals, Antios Therapeutics, Celtaxsys, Inc., and Esperion Therapeutics. Previously, Ms. Vitullo served on the board of Celator Pharmaceuticals (sold to Jazz Pharmaceuticals). Ms. Vitullo received her B.A. in mathematics and her M.B.A. in finance from University of Rochester.



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