Philip Yam is the managing editor online for Scientific American, overseeing the editorial aspects of the magazine's digital realm and special electronic publications. Before that, he was the magazine's news editor, commissioning front-of-the-book content and profiles. He is the author of the well-reviewed 2003 book The Pathological Protein (on prions and mad cow disease) and a contributor to the NASW's 2006 Field Guide for Science Writers. He is the president of the New York chapter of the Asian American Journalists Association. Follow him on Twitter.