Public-relations firm PMK*BNC has bolstered its entertainment division with the hiring of two key executives and the promotion of two current employees, the company announced on Wednesday. Former Rogers & Cowan publicist Nicole Perez-Krueger (pictured), whose clients include Christina Aguilera, Lauren Conrad, Jewel and Whitney Port, will serve as a VP in the talent department. Related Articles:? Another PMK Staffer Heads to ID-PR ...