Alejandro C.

I am fully bilingual, being fluent in English and Spanish. I have been living in the US for more than 20 years. I have taught college-level chemistry classes in English for many years. I've tutored at all school and college levels since I was in high school. I received a Master's and PhD in chemistry from US-accredited universities (the University of Puerto Rico at Mayaguez and the University of Massachusetts at Amherst, respectively). I have taught and tutored chemistry for over 15 years at…