David Knuffke teaches kids science at Singapore American School. Prior to this he spent 14 years as a teacher and then as the Curriculum Associate for Science & Technology for Deer Park UFSD in New York. His major professional interests center around the broad pursuit of progressive science education pedagogies with a major focus on NGSS-centered approaches. From a technological standpoint, David is an outspoken advocate for intelligent, free, and open uses of information technology (both educational, and non-educational). You can read his thoughts on education at http://knuffke.com/blog and you can access his older curriculum resources at http://mrknuffke.net/. You can also follow him on twitter @DavidKnuffke