Donald Trump announced Thursday that Susie Wiles, who as his de facto campaign manager is credited with imposing a measure of discipline that helped him win on Tuesday, will serve as his chief of staff. Wiles has earned a reputation as a smart, pragmatic, and effective campaign operative. For critics of Trump’s agenda—which includes deporting millions of immigrants, imposing tariffs likely to increase inflation, firing vast swaths of civil servants and using the Justice Department to prosecute critics—her appointment is bad news. “Susie is tough, smart, innovative, and is universally admired and respected,” Trump said in a statement Thursday.