Render Networks names former Calix and Advanced Fibre Communications executive Omar Ramadan vice president-customer operations ... Swami Iyer leaves as Virgin Galactic president-aerospace systems, effective immediately, will remain adviser to CEO Michael Colglazier until March 3 ... Salem Media Group promotes Andy Massingill to senior director-digital sales ... Unravel Data adds Zia Mansoor, Microsoft vice president-data and AI, to its board ... The Brattle Group announces promotions, including of Paroma Sanyal, co-leader for telecommunications, media and entertainment… Jegi Clarity M&A, advisory firm for global media, marketing, information and technology industries, promotes Rich Kanefsky to managing director …Charter's Senior Vice President-Wireless Technology Craig Cowden departing company at the end of March … With Semtech completing purchase of Sierra Wireless, latter’s Tom Mueller becomes executive vice president-IoT System Products Group, Ross Gray vice president-IoT Connected Services Group and Pravin Desale senior vice president-IoT Engineering.