As part of our Kleiner Perkins Caufield& Byers (KPCB) engineering meet-up series, Eric Feng had the opportunity to host a panel of leaders of various functions at top tech companies to discuss best practices in cross group teamwork and collaboration -- Jessica Verrili, director of corporate development at Twitter; Eugene Wei, head of video at Oculus and previously head of product at Flipboard and Hulu; and Wendy Owen, product design lead for the Facebook ads platform.