Personnel News and Appointments Diane Reverand is leaving St. Martin’s after four years there. Deputy managing director of Penguin UK Andrew Welham is leaving the company at Christmas, after “23 truly wonderful years.” At Da Capo, Kate Kazeniac has been promoted to associate director of publicity. Brand Republic reports that Harper has hired Agency.com to develop its website and make it “more integrated and consumer-focused,” as well as handling digital marketing for authors and titles. They add: “Harpers wants to develop interactive communities of authors and readers. It is also looking at how it can make content available through blogs, […]