John Chambers is the CEO of Cisco, one of the world's leading technology companies. He has been at the helm of the company since 1995 and has been instrumental in driving its growth and success. He has been credited with transforming Cisco from a small start-up to a global powerhouse
From Wikipedia
John Thomas Chambers is an American businessman who served as chief executive officer of Cisco Systems from 1995 to 2015 and as executive chairman from 2015 to 2017. During his 20-year tenure as CEO, Cisco's annual revenue grew from $1.2 billion to $49.2 billion, and the company executed approximately 180 acquisitions.