Sources familiar with the matter confirm that Chris Rossiter, who served as EVP, executive director of production at Leo Burnett, is no longer with the agency. We haven’t received word on whose decision it was to part ways, but spies tell us that it was Leo that pulled the trigger. Anyhow, Rossiter spent the last seven years overseeing Leo Burnett USA’s production department (as well as its in-house Music Aid studio) from the agency’s Chicago hub, where he worked on campaigns for the likes of Kellogg’s Pop Tarts and Tampax.