Mark Roberge, Chief Revenue Officer of HubSpot, visited Google's office in Cambridge, MA to discuss his book, "The Sales Acceleration Formula: Using Data, Technology, and Inbound Selling to go from $0 to $100 Million".Mark Roberge served as HubSpot's SVP of Worldwide Sales and Services from 2007 to 2013, during which time he increased revenue over 6,000% and expanded the team from 1 to 450 employees, using the methods he describes in the book.