In one of the first new additions to Penguin Random House, Tracey Guest, most recently v-p, director of publicity for Simon & Schuster’s adult trade imprint, has joined Penguin as advising director of corporate communications. In her new role she will work closely with Stuart Applebaum, head of global communications for Penguin Random House, and Claire Von Schilling on integration and related matters. Christine Ball, who previously held the advising director position on an interim basis, will be returning to her full-time position as v-p, associate publisher of Dutton. Erica Glass remains senior manager, corporate communications at Penguin.