Susan Mayne, who has led FDA’s food center since 2015, will step down from her role as center director on May 31, Mayne and FDA chief Robert Califf announced in a pair of emails send out to agency staff Monday (March 27), coming as FDA begins the process of restructuring its human foods program. Mayne announced her retirement a little more than a month after Frank Yiannas left his post as director of FDA’s Office of Food Policy and Response...