Syndax names Steven Closter as Chief Commercial Officer

Syndax Pharmaceuticals announced the appointment of Steven Closter as Chief Commercial Officer, effective immediately. Closter will lead the company’s commercial strategy and operations, including marketing, sales, and market access, succeeding Steve Sabus, who is departing for personal reasons. Prior to joining Syndax, Closter served in various roles at Sunovion Pharmaceuticals, which was consolidated into Sumitomo Pharma America in 2023, ultimately serving as Vice President, Brand Strategy and Launch Excellence.