Big tech laying off mr John Chen is hiring Here is one example of our new hire. Many more we didn't hear about. "Arvind brings 18 years of information security experience and leadership to BlackBerry, plus five-and-a-half years of research and development engineering background gained at the start of his career. Previously Arvin served as the Global CISO at Mitel. He also served as Global Head, ISO for Scotia Bank and Director of Cyber and Data Security for CIBC"