Alexandra MacDowell was upped to AETN vp, production mgmt. ? NBC Broadcasting chmn Ted Harbert will fill the broadcaster’s seat on NAB‘s TV board, TVNewsCheck reported. ? Ran Oz will step down as CTO of Big Band. He’ll also leave the board, but will remain with the company to advise mgmt on tech strategy. ? Former FCC commish Tyrone Brown is resigning as MAP‘s pres after nearly a year of service. A search will begin for a new head. ? Disney XD Worldwide upped David Levine to gm/vp, programming.