David Schleifer studies technological change. He earned his BA in sociology from Wesleyan University and his PhD in sociology from New York University. Dr. Schleifer’s dissertation explained how and why food corporations in the 1980s began using trans fats – found in partially hydrogenated soybean oil – and then replaced those oils with alternative technologies in the 2000s. After completing his dissertation, he became an Associate Research Scholar at Columbia University’s Center on Medicine as a Profession, where he studied patients’ and physicians’ attitudes towards overuse of medical technologies. In the fall of 2012, he will become a Visiting Scholar at the Institute for Public Knowledge at New York University. In addition to his academic work, Dr. Schleifer has published non-academic articles and reviews and has worked on several artists’ projects.