Stephen Kokoska is a Professor of Mathematics at Bloomsburg University, where he has been teaching for 20 years. He received his undergraduate degree from Boston College and his M.S. and PhD from the University of New Hampshire. His initial research interestes included the statistical analysis of cancer chemoprevention experiments. Stephen has published a number of research papers in mathematics journals, including Biometrics, Anticancer Research, and Computer Methods and Programs in Biomedicine; presented results at national conferences; and written several books. He has been awarded grants from the National Science Foundation, the Center for Rural Pennsylvania, and the Ben Franklin Program. Stephen is also a longtime consultant for the College Board, is an Exam Leader for the grading of the Advanced Placement Calculus test, and has been involved with calculus reform and the use of technology in the classroom. In addition to teaching at Bloomsburg, he regularly uses Mathematica and LaTeX and has recently become involved with cell phone and GPS forensics.