John Ehrley does consulting in Operations Management, Data Analysis, and Information Technology. He is co-inventor of 8 US Patents and 1 International Patent for applying Revenue Management Theory to the cable broadband industry. He is also founder of a Cleveland based tax-return preparation company.

He has his M.S. in Applied Statistics as well as M.A. in both Applied Mathematics and Management Science all from University of Alabama. He has also completed all his coursework for his Ph.D. in Management Science.

John Ehrley teaches quantitative components of CSU's Test Prep courses for the GMAT and GRE exams.

Mr. Ehrley has lectured part-time at CSU and University of Alabama for over 10 years in the fields of: Mathematics, Production & Operations Management, and Management Information Systems.