Roche Diagnostics has appointed Matthew Sause to serve as president and CEO of its North America operations. Sause is coming to Indianapolis-based Roche Diagnostics from Gilead Sciences (NASDAQ: GILD), where he is senior vice president and head of global commercial product. His experience includes 17 years at Roche, including time at the company’s diagnostics division. Sause is scheduled to start his new role at Roche Diagnostics on Nov. 4. He will succeed Jack Phillips, who left the company at the end of August.