David Lewis is known as an early pioneer in internet marketing. His current company, DemandGen International, has been on the Inc. 500 twice, and has worked with over 400 companies, including the world's leading brands such as Apple, Dell, American Express, and SAP. In the early 2000’s, David’s first company “Resounding” was acquired, where he became known as the “Alexander Graham Bell of The Internet” for his impact on the video game industry.