Kara Jesella, beauty and health director at Teen Vogue, is leaving her position to write a book about Sassy magazine with freelancer Marisa Meltzer for Farrar, Straus & Giroux. (mb)

Jennifer Graham has been named vice president of business planning for the TV Guide Publishing Group. She was previously vice president of financial planning and analysis at Columbia House. (release)

Kimberly A. Tryba has been named director of marketing services for National Geographic. She was previously senior manager of sales development at This Old House Ventures. (mb)

Steve McCarthy has been named marketing director for Sound & Vision magazine at Hachette. He was previously special projects director at U.S. News & World Report and has held positions at Popular Science and Details. (mb)