John Bull is an accomplished mathematics teacher with many years of experience teaching maths at different academic levels. He has a Phd in mathematics and has written several books used in high school and universities. Mr. Bull has won various awards for his contributions to the study of mathematics, and is an highly-ranked member of the maths association of America.

In his travels, Mr. Bull has been sought-after as a distinguished visiting professor of mathematics in some of the world’s most renowned learning institutions, such as Havard University, Oxford University and Cambridge.