This story was originally published on Restaurant Dive. To receive daily news and insights, subscribe to our free daily Restaurant Dive newsletter. Dive Brief: Portillo’s CEO Michael Osanloo is departing the chain, and the board has named Michael Miles, chairman of the board at Portillo’s, as interim-CEO, according to a Monday press release. Osanloo will remain as an advisor for 90 days.  Miles and three other board members — Paulette Dodson a long time , former Red Robin CEO G.J. Hart, and former Darden ...