Julie Miesionczek has been promoted to associate editor at Viking. She joined Pamela Dorman Books/Viking in 2008 as an assistant editor after starting her career with Random House.

Celeste Fine will be joining Sterling Lord Literistic on January 30th. She will continue to represent popular expert and celebrity authors, particularly in the health, science, food, business, and lifestyle spaces. Previously, she was senior v-p and subsidiary rights director for Folio Literary Management.

John Mahaney has joined PublicAffairs as a contributing editor, with a focus on economics, finance and business books. Previously, he was an executive editor for Crown Business.

David Roche has been named non-executive chairman of the London Book Fair's advisory board following Simon Master's retirement. Roche has previously held board and CEO positions at HMV and Waterstones.