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Chen: BlackBerry is here to stay
CNBC-TV18 Exclusie: BlackBerry's Struggle To Stay Afloat
How BlackBerry Plans to Take on Apple
John Chen BlackBerry CEO ( DEC. 2017 ) " Let me explain briefly how BlackBerry Secure for 30 Years !
Blackberry CEO: Our Network Is Safer Than Apple's
BlackBerry CEO John Chen to depart
Access - John Chen
BlackBerry CEO on new phone
BlackBerry's Chen Company Has Financial Strength
Blackberry is alive, but where does it go from here? | World Finance
8.28.15 BlackBerry Executive Chairman and CEO John Chen, in conversation with Rich Karlgaard
Nightly Business Report: Blackberry's New Vision
