Facebook Client Partner, Global Marketing Solutions Andrew Hersam is leaving the social network for one of its Preferred Marketing Developers, joining Ampush as director of sales.

Prior to Facebook, Hersam worked with companies including Competitor Group, Westwood One, Rodale, Sports Illustrated, and Times-Mirror.

Ampush Co-Founder and CEO Jesse Pujji said:

Andrew brings invaluable experience to Ampush during a time of continued growth and sales expansion. We are excited to have him join our leadership team as a new business development expert.

And Hersam added:

I’m thrilled to be joining the amazing team at Ampush. While at Facebook, I had the opportunity to work with many of the company’s Preferred Marketing Developers. Of all of those PMDs, Ampush consistently delivers the best service, results, and supremely creative, lean-forward-thinking. I look forward to working with Ampush’s current roster of blue-chip advertisers and bringing the power of Ampush to those marketers looking to unleash the power of Facebook.