Reka Simonsen will join Houghton Mifflin Harcourt Children’s Book Group as executive editor, Harcourt Children’s Books, on August 2. She was previously at Henry Holt, most recently as senior editor. Authors she has worked with include Margarita Engle, Lish McBride, Greg Trine, Clare Dunkle, Lynne Jonell, and Lloyd Alexander. She will report to Jeannette Larson.

Casey McIntyre has been promoted to publicist at Penguin Young Readers Group; she was formerly associate publicist.

Little, Brown Books for Young Readers has two promotions and a new hire. Connie Hsu and Kate Sullivan have been promoted to associate editor; they were previously assistant editors. Bethany Strout has joined the company as editorial assistant; she was previously an assistant at Writers House.