It's important to contribute to group discussions, but if all you're thinking about is when you'll get the opportunity to speak - and stressing about whether you'll sound smart - you won't be fully engaged in the conversation.

There's a historical view that adding process into a scrappy start-up kills innovation, but I'm a firm believer that you need process at some point to remain agile.

Cities have unique home-sharing policy needs - a dense, urban city may have different concerns than a historic vacation town or a non-traditional travel destination.

As chief business affairs and legal officer, I am responsible for driving Airbnb's engagement strategy and civic partnership efforts as well as overseeing the company's global public policy, community mobilization, legal, communications, compliance, social initiatives, and philanthropy efforts.

When I went into a start-up in tech, I knew I could always go back to a law firm.