I became a teacher after spending 20 years as an executive with investment banks in Chicago and London, UK. I have specialized in students with difficulties. Most recently, I spent the past 5 years teaching GED (all subjects) to state inmates at the Penitentiary of New Mexico. I had consistent success in both degree attainment and gains in test scores. My endorsements are in English and History. However, as a GED teacher I became quite adept at teaching high school math as well.For example,