David founded Clix Marketing in 2003, following a 25-year career in technology sales and marketing as an executive at Apple Computer and Ziff-Davis Publishing. He is active in the Search Engine Marketing Professional Organization (SEMPO) and was the author of two lessons in SEMPO's Advanced Search Advertising course. His writing has been published in his weekly column as a Search Engine Watch Expert, Profitable PPC , in the SEW Blog, in online publications like Search Engine Land and in the Clix Marketing Blog. His weekly Webmasterradio.fm show, PPC Rockstars, is broadcast every Monday at 4 PM Eastern time. He is a frequent speaker at industry conferences like PPC Summit, Marketing Sherpa B2B Summit, SMX and Search Engine Strategies (see list of upcoming speaking engagements here). He is the PPC Faculty Chair for training company Market Motive. His book on PPC Content Advertising, Customers Now, was published in November 2009, and his Wiley/Sybex book, PPC Search Engine Marketing: an Hour a Day (written with Joseph Kerschbaum) was published in July 2010.

• David was named Top PPC Expert by Eightfold Logic.
• Social Media Marketing magazine named David #8 on their list of the 72 Top Marketing Book Authors on Twitter.
• Search Influence recently declared David #3 on their list of Top 5 Search Marketing Bloggers You Should be Stalking in 2011.

David will be speaking on Day 3 - Thursday 26th May
15:15-16:00  NEW PPC Tactics: Search & Social Advertising
Conference Track: Online Marketing & Acquisition