Tracy Sherrod will join Amistad as editorial director on April 22. Previously she was the founder and proprietor of Tracy Sherrod Literary Services, representing Karine Steffans, Katori Hall, Kalisha Buckannon, and others (and prior to that she was an editor at Simon & Schuster).
Sonya Safro will join Grand Central as publicity manager. She was previously a senior publicist at the Random House Publishing Group.
At the S&S imprint, Nick Greene has been promoted to associate editor and Jonathan Cox moves up to assistant editor.