Arm adds Nest founder-former CEO Tony Fadell, also ex-Apple, to its board ... Barnes & Noble Education names former Vonage and Verizon executive Hunter Blankenbaker vice president-investor relations ... Canada’s Semiconductor Council names Paul Slaby, ex-Nortel, managing director ... 5G routing company Arrcus taps former Cisco, Citrix, Ericsson and Motorola executive Ashutosh Sharma as head-engineering, India ... Data loss prevention company Next DLP names HelpSystems’ Connie Stack CEO ... DataOps cloud provider Y42 announces Jules Cantwell, ex-Qualtrics, as president, with Max Herrmann, ex-Swim.ai, joining as senior vice president of marketing ... JupiterOne names Sacha Faust, ex-Amazon, as chief innovation officer and Sean Catlett, ex-Slack, as general manager-Europe, Middle East and Africa.