David Lewis


For over 25 years, David Lewis has been a pioneering innovator in digital marketing overseeing marketing for some of Silicon Valley’s top technology firms. As Founder and CEO of DemandGen International, David and his team guide marketing leaders along their digital marketing journey by providing strategies, processes, and hand’s-on services to help their clients maximize the return on their marketing technology investments. Under his leadership, DemandGen has landed twice on the Inc. 500 for growth, been awarded as a best place to work in Silicon Valley, and has helped DemandGen’s clients earn over 100 awards for digital marketing excellence. David is an accomplished speaker, award-winning thought leader, host of DemandGen Radio, and author of countless works on modern marketing including Manufacturing Demand ­­— the #1 book on lead management.