I am a Retired University Math Professor with a Ph.D. in Math. I have 25 years of university teaching experience (in Florida). Have taught all freshman math courses, the Calculus sequence and selected major courses (Discrete Math, Linear Algebra, Abstract Algebra). Since 2011, I have been tutoring in the San Francisco Bay Area (San Ramon, Pleasanton, Dublin, Danville, San Jose, Sunnyvale, Cupertino, Milpitas).