Phathom Pharmaceuticals, Inc. announced the appointment of Martin J. Gilligan as Chief Commercial Officer. Mr. Gilligan most recently was Corporate Vice President at Celgene Corporation, where he led marketing, market access and business development for Celgene’s Inflammation and Immunology Franchise. He held key leadership roles in the launch and growth of OTEZLA® through its sale to Amgen for $13.4 billion. Mr. Gilligan is a biopharmaceutical industry veteran with more than 25 years of experience in both global and US sales and marketing roles. Prior to Celgene, he held commercial roles of increasing responsibility at Pharmacia, Johnson & Johnson and Merck.