Michael Holtfrerich received his BS and MS from Northern Arizona University. He has taught at Glendale Community College in Glendale Arizona, a member of the Maricopa Community College District, for the past 16 years. Besides teaching mathematics he is currently the chair of the Mathematics/Computer Science Department which employs 35 full time and 61 part time instructors. He has spoken at a variety of math conferences and is a member of the American Mathematics Association of Two-Year Colleges and the Mathematics Association of America. He has received several awards among those, the Paul Pair Endowed Chair award for integrating technology into education.
Jack Haughn received degrees in Education and Mathematics from Kansas State University. He taught and was Mathematics Department Chair at Brophy College Preparatory for fifteen years. During that time he also taught calculus in the evenings at Glendale Community College. In 1990 he accepted a full-time teaching position at Glendale Community College. Jack is a member of AMATYC, MAA, and NCTM.