If you haven’t heard of team communication platform Slack—which has been called the fastest-growing enterprise software product in history—you’ve probably been living under a rock for the past few months. Slack’s recent $2.8B valuation has brought attention not only to the product, but also the brand’s customer-centric CMO, Bill Macaitis.

As the former CMO of Zendesk, and SVP of Online Marketing and Operations at Salesforce, Bill has a history of leading category-defining, high-growth companies into successful IPOs and acquisitions.

We asked Bill to share his insights on marketing in a live video ‘Ask Me Anything’. Watch a recording of our chat to hear Bill’s answers to your questions.