Fast-casual restaurant concept Portillo’s has named its board chairman Michael Miles Jr as interim CEO with immediate effect. Miles replaces Michael Osanloo, who has left the company as president and CEO and stepped down from the board of directors. Osanloo said: "Leading Portillo's has been one of the great honours of my career. I am so thankful to my leadership team and all our team members whose hard work and heart make this brand iconic." Osanloo will assist with the handover as a special adviser to ...