Cisco Chairman and CEO John Chambers talks about his love for adventure, the importance of family and the few things that keep him up at night. Learn about his leadership style and what he is most passionate about in this video. Leadership@Cisco is a video series that introduces you to our leadership team at Cisco. View the entire leadership series here http://newsroom.cisco.com/leadership. You can also follow John on facebook here http://cs.co/johnchambers.