USTelecom appoints Ainslie Lane, from the International Organization for Migration, as manager-government affairs … Jonathan Adelstein, ex-Digital Bridge and former Wireless Infrastructure Association CEO, says he has joined Vertical Bridge, tower and wireless infrastructure provider, as senior adviser … RingCentral adds Prat Bhatt, retired Cisco chief accounting officer, to its board, effective March 1; DocuSign CEO Allan Thygesen to leave RingCentral’s board in Q2 ... Texas Instruments elects Rice University President Reginald DesRoches to its board, effective March 1 ... Talkdesk cloud contractor hires Zscaler’s Albert Caravelli as senior vice president-alliances and partners ... Aqua Comms, provider of global subsea connectivity services, announces immediate departure of CEO Jim Fagan, and names Chief Network Officer Andy Hudson as his acting replacement.