Madison Square Garden Properties has named Bill Jemas exec VP. Formerly president of Blackbox LLC, Jemas will oversee the entertainment branch of MSG, and will continue to further the Garden’s theatrical productions. He’ll also handle concerts and family fare.* Comspan Communications has tapped Alex Lee VP of business development and chief operating officer of Comspan division Steeplechase Media. Moving up from his biz development director slot, Lee has been with Comspan two years, working on cable and TV projects for the network/online consulting firm.