dave is the author of the best selling business book, social media marketing: an hour a day, a practical guide to the implementation and measurement of social media based marketing programs. his expertise lies in his ability to match the needs of corporations with consumer preferences as to how and when they would like to be contacted.

in 1994 dave co-founded digital voodoo, a marketing technology consultancy providing strategic marketing services for clients wanting to tap the power of connected social networks through word of mouth and consumer-generated media.

dave has served on the advisory board of ad:tech and the measurement and metrics council of womma. he also writes a regular column on social media for clickz.