With over 30 years of experience as a Chief Marketing Officer, David has helped several consultancy businesses with product and digital marketing transformation. He works as an advisor to top executives at start-up, mid-sized, and enterprise level organizations, driving large-scale change from both client and client-service sides. Previously, David has co-led McKinsey and Company's Global Digital Marketing and Sales Practice. Prior to McKinsey, he was the Executive Vice President for Strategy & Analysis at Digitas and was also a partner with the Boston Consulting Group.