Diana O’Brien is the global CMO for Deloitte responsible for driving growth across all businesses. In this role, Diana connects a network of brand, communications, marketing and insights organizations.  Her responsibility is to champion the voice of the customer, surface deep insights with advanced analytics, increase sales velocity and gain greater competitive advantage with stronger, differentiated experiences. One of Forbes World’s Most Influential CMOs, O’Brien also leads the C-Suite CMO Program and serves as an advisory partner to global life sciences clients.