Adam Trachtenberg is the Director of the LinkedIn Developer Network, where he oversees developer relations and marketing for the LinkedIn Platform. Before LinkedIn, Adam worked on the eBay Platform in many, many, many roles. Prior to eBay, was the co-founder and VP Product for Student.Com and TVGrid.com. He's the author of PHP Cookbook and Upgrading to PHP 5. Adam lives in Mountain View, California with his wife and son. He has a BA and MBA from Columbia University.