Mark Chait is joining HarperCollins's It Books imprint as executive editor. Chait is currently at Penguin's NAL imprint where he focuses on sports, pop culture, humor and other categories. Before NAL he was at Hyperion. He starts at HC on July 19.
Tim McGuire will be leaving Norton as v-p production, trade and college, effective July 27, to return to independent consulting. He can be reached at firstname.lastname@example.org.