Telecom provider Proadapt promotes Manish Vyas to CEO-managing director ... Cloud services provider Hivelocity appoints Jason Burnett, ex-DataBank, as COO and Charlie Dankner, ex-Equinix, as chief revenue officer ... Sinclair Broadcast Group names Dean Ditmer, previously JNR, vice president-general manager-KATU Portland and KUNP La Grande, both Oregon ... GCI promotes Maureen McCabe Moore to senior vice president-chief customer experience officer ... Hallmark Media names Wondu Dikran, ex-Falkon Entertainment, senior vice president-Hallmark Studios ... Nexstar Media Group appoints IPG’s Ellen Johnson to board, effective Oct. 1.