Adam Trachtenberg is the Director of Platform and Services for eBay and is the author of two O'Reilly books, Upgrading to PHP 5 and PHP Cookbook.
Adam has an MBA from Columbia Business School. While there, he focused on general management and operations, with an emphasis on the field of technology. Adam also has a BA from Columbia University. As an undergraduate he majored in mathematics, and his other studies included computer science and Chinese.
Before returning to school, he cofounded and served as vice president for development at two companies, Student.Com and TVGrid.Com. At both firms, he led the front- and middle-end web site design and development, worked on corporate planning and strategy, and served as liaison between the product and marketing teams.
David Sklar is an independent consultant specializing in software development, strategic planning, and technical training. He was a co-founder and the Chief Technology Officer of Student.Com and TVGrid.Com. At both companies, David oversaw the architecture and development of varied systems to deliver personalized dynamic content to users around the world.
After discovering PHP as a solution to his web programming needs in 1996, he created the PX (http://px.sklar.com/), which enables PHP users to exchange programs. Since then, he has continued to rely on PHP for personal and professional projects. He is the author of O'Reilly's Learning PHP 5, Essential PHP Tools (Apress) and the coauthor of PHP Cookbook (O'Reilly).
When away from the computer, David eats mini-donuts, plays records, and likes to cook. He lives in New York City and has a degree in Computer Science from Yale University.