Praxis Precision Medicines, Inc. announced that it has expanded its leadership team as it works to advance its clinical and preclinical-stage portfolio of novel programs for both rare and prevalent conditions. The leadership appointments include Dean J. Mitchell as chairman of the board of directors, Nicole Sweeny as chief commercial officer and Alyssa Wyant as senior vice president, regulatory and quality. Mr. Mitchell replaces former chairman Nicholas Galakatos, Ph.D., global head of Blackstone Life Sciences, who will continue to serve as a director of Praxis. Mr. Mitchell is the former chairman of Covid Pharma Holdings and PaxVax Corporation, prior to their respective sales, and currently serves as chairman of the board of directors of Kinnate Biopharma Inc., and as a member of the board of directors at Theravance Biopharma, Inc. (NASDAQ: TBPH), ImmunoGen Inc. (NASDAQ: IMGN) and Precigen Inc. (formerly Intrexon Inc.). Ms. Sweeny previously served as franchise head/U.S. general manager at Takeda, and earlier, held U.S. and global roles of increasing responsibility at Shire and Genzyme. Most recently, Ms. Wyant served as senior vice president, regulatory affairs at EryDel S.p.A, and earlier, held senior leadership roles at Edge Therapeutics, Inc. and PTC Therapeutics, Inc.