Adtran Holdings promotes Adva’s Uli Dopfer to chief financial officer, effective May 1, to succeed Mike Foliano, retiring effective June 28 ... Communications & Power Industries promotes Andrew Ivers to CEO, effective May 31, succeeding Bob Fickett, who becomes executive chairman and strategic adviser ... Comcast names EmployBridge’s Quiana Pinckney, also ex-Home Depot, vice president-employee communications at its Central Division headquarters in Atlanta.Zebra Technologies promotes Joe White to chief product and solutions officer, filling role vacated when Bill Burns became Zebra’s CEO earlier this month ... Cyber resilience company Immersive Labs names Eric Johnson, ex-Interos, chief revenue officer, and Julie Chapman, former IBM and Adobe, senior vice president-customer experience ... Entertainment technology company Solotech taps Mels Studios & Postproduction’s Martin Carrier as president-live productions, Canada, effective April 24 ... Freedom Technologies promotes Jay Chauhan and Colin Alberts to senior vice president ... Twilio adds Charlie Bell, Microsoft executive vice president-security, compliance identity and management, to its board; Richard Dalzell, former Amazon chief information officer, won’t seek reelection to Twilio’s board ... Thunderbird Entertainment adds Nobul Technologies CFO Lisa Coulman to its board.