I spent 24 years as a practicing dentist before I changed careers and entered the teaching profession. I taught high school in New York City for 17 years, teaching Advanced Placement Biology, High school Biology, Genetics and Environmental Science. I taught Anatomy and Physiology for 3 years at a local community college. I tutored students in these subjects in after school programs and on Saturdays. I find that the most regarding aspect of teaching and tutoring is seeing a student gain the kn