Jeff Parker is a lecturer in Extension at Harvard University and research advisor for the Master of Liberal Arts in information technology program. He received a BA from Kenyon College, and an MA and PhD from the University of Wisconsin in algebraic topology. He taught computer science for a decade at Williams College, Amherst College, and Boston College. He worked for Phoenix Technologies, Prime Computer, Sun Microsystems, Agile Networks, Nexabit Networks, Lucent Technologies, and Axiowave Networks. He helped design and implement a number of networking devices, including an intelligent switch and two high-speed routers. He has published in mathematics, computer science, and computer science education. He has also taught at Middlebury College and Merrimack College.