Jeffrey Sack, Ed.D. is a biologist, educator, and writer who has taught all aspects of high school biology in both public and private schools. His scientific interests include marine ecology and bird behavior, and his educational interests include the relationship between teacher scientific content knowledge and pedagogy and how they relate to students learning science. Jeff is a reviewer of manuscripts and classroom media materials for the National Association of Biology Teachers and reviews conference proposals for the Association of Science Teacher Education. In his free time, Jeff enjoys relaxing in front of the television, scuba diving, and musical theater.