Andy Geary earned both his Bachelors and Masters degrees from Northern Illinois University. After receiving his B.S. in Mathematics in 1995, Mr. Geary went to work as a systems analyst for a large consulting firm in the suburbs of Chicago. After several years, he returned to NIU to complete his M.S in Mathematics in 2005 in hopes of becoming a full-time math teacher. After adjuncting at several area community colleges, Mr. Geary began teaching full-time at Harper in the Fall of 2005.

In his spare time, Mr. Geary enjoys spending time with his wife and their 3 basset hounds. He also enjoys reading, biking, and cooking.