Professional Science Teacher , Maths, Physics, Biology,and Computer knowledge, Algebra, Chemistry, SAT, LSAT

Very good lecturer I have ever seen. Knows how to explain.
@ kat University of Toronto

From university of Chicago bootcamp Ralph took me from zero to more than a hero today am working .thanks Ralph

Ralph is very versatile in this field, I am from Romania it was difficult for me to write code n also speak English. He changed my world under 14 weeks. God bless you Ralph

Very good man. Highly skilled with technology and willing to tutor you at any time. Thanks Ralph for your good heart

Ralph is the best technologist I have ever come across, I can code Algorithm and Data structure because he thought me very well well.

A good man indeed, well educated and cultured trainer, I mate him from another organisation where he was a trainer of JavaScript. He thought me how to code and being an English specialist. Kudos Ralph

I came from non English speaking country, but Ralph thought me very well from ground zero to hero. Mr Ralph is an expert

I am very comfortable and could pass my English exams because I had a good tutor Mr Ralph, he is good and articulate.thanks

Ralph is a good teacher he thought me English very well thanks

Ralph is the best and very patient teacher I have ever seen. I would recommend every one who is interested in learning English to go via Ralph I will give five star