For over two decades David has been at the forefront of major Internet software trends: he launched two industry defining on-demand software companies, WebEx and Genius.com, as well as Microsoft's Internet Explorer browser, and WebStar, the leading commercial web server application. As a recognized marketing leader, David developed breakthrough global marketing campaigns and delivered the world's first Sales and Marketing 2.0 platform, Genius.com.

In 2004, David co-founded SaaS leader Genius.com. In 2009, Genius was named #150 on the Inc. 500 List of fastest growing private companies and voted the #1 marketing automation solution on Salesforce.com's AppExchange. As CEO, David grew revenues 1,842% between 2006 and 2009 and raised $40M+ in 4 rounds of funding from Accel Partners, MDV, Emergence, and Walden Intl.

In 2007, David founded the Sales 2.0 conference to educate the market about the impact of Web 2.0 technologies on Sales and Marketing in B2B organizations. Lead an industry alliance with Oracle, Jigsaw, SellingPower, and WebEx to bootstrap what is now the leading Web 2.0 conference for Sales and Marketing professionals. Wrote the first Sales 2.0 book: Sales 2.0 for Dummies.

As CMO, David built WebEx from $0-250M in Revenues in 6 years, pioneering the first successful web conferencing service and Saas model. David served from 1998 through late 2004 as vice president of product marketing and then chief marketing officer. While at WebEx, David shipped award-winning web conferencing products that defined the category, named the company and directed legendary marketing campaigns that vaulted WebEx to #1 in on-demand software. Thompson architected WebEx’s industry-leading Sales 2.0 lead-generation system, integrating innovative e-mail and web marketing technologies to drive a large volume and velocity of sales leads.

Earlier in his product marketing career, David Launched Webstar, the first commercially successful web server in 1992 and Microsoft Internet Explorer for Macintosh in 1997.