PanAmSat Corp. promoted Mike Antonovich to executive vice president of global sales and marketing. He has been with PanAmSat since 1989, and he has served in a variety of senior leadership positions during his time with the company. Astra Marketing Iberica, the Spanish subsidiary of satellite operator SES Astra, appointed Luis Sahun as the new managing director, responsible for customer relations and marketing in Spain and Portugal. He succeeds Albert Marti, who left the company yesterday. Sahun has worked in the Spanish media and telecommunications market for nearly 25 years.