Tim O'Leary has taught courses at Stark Technical College in Canton, Ohio, and at Rochester Institute of Technology in upstate New York. He currently is a professor emeritus at Arizona State University. Linda O'Leary offered her expertise at Arizona State University for several years as an academic advisor. She also presented and developed materials for major corporations, such as Motorola, Intel, Honeywell, and AT&T, as well as various community colleges in the Phoenix area. Dan O'Leary completed his Ph.D. in electrical engineering and has had significant experience in teaching and consulting in information technology. Dr. O'Leary has taught at the University of California at Santa Cruz and at City College of San Francisco, developed energy-related labs at NASA, and worked as a database administrator and as a consultant in information systems.