David is an independent consultant focused on technical assistance for growing startups: architecture and strategy for platform development and API design, technical due diligence on both humans and software, and tactical software engineering. He's the author of Learning PHP 5, Essential PHP Tools, and co-author of PHP Cookbook. His scintillating blog is at http: //www.sklar.com/blog/. David lives in New York City and has a degree in Computer Science from Yale University.