Professional Education International (PEI) has sold Broadband World Forum, an information and communications technology conference and exhibition sponsored by the International Engineering Consortium, and Broadband InfoVision Awards to Informa Telecoms & Media. Media investment banker DeSilva+Philips represented PEI in the sale....Everything Channel, a division of United Business Media, has promoted Robert C. DeMarzo from Senior Vice President and Editorial Director to Senior Vice President of Strategic Content. In his new role, DeMarzo will be responsible for strategically shaping the company’s custom event and content business....Sentry Centers Mid-Town East, a new executive conference and meeting facility, has opened in New York City. The facility offers nearly 11,200 square feet of meeting space, including a 4,000-square-foot ballroom and an addtional 5,000-square-foot outdoor garden terrace....CW Allen Group has named Carl Mitchell, President of Shepard Exposition Services, and Sherman Wade, President of Shade Communications, to its Board of Directors. The company also named Scott Stallings COO. Stallings most recently served as Director of Exhibit Sales at Freeman.