A tech CEO says he likes to take customer support calls because some leaders go their 'entire career without ever meeting a customer'

• The founder and CEO of Proton, Andy Yen, likes to take up customer calls or answer support tickets.
• Yen told the BBC that by doing this he can keep track of what customers actually need from the firm.
• Uber's CEO also did a stint as a driver to better understand the experience of its frontline workers. 

A tech CEO likes to take a hands-on approach to leading his company and this includes working on the frontline with customers to get a better understanding of their needs.