Urban Education Expert, Dr. Christopher Emdin, is a Professor at Columbia University Teachers College and is the Director of Secondary School Initiatives at the Urban Science Education Center in New York. He holds a Ph.D. in Urban Education. Dr. Emdin has taught middle school science and mathematics, high school physics and chemistry, and was the chair of science departments in New York City public schools. Emdin is the author of Urban Science Education for the Hip-hop Generation.