Estevae García Moreno Esteva started using Mathematica in the classroom when he joined the mathematics department at Wheeling Jesuit University. He now uses it extensively for research in graph theory, his topic of interest, and has developed a set of programs that animate graph theoretical algorithms using the visualization functionality of Mathematica. Esteva has also developed dynamic visualization programs for teaching purposes.

Enrique has been teaching mathematics and developing computer-based educational materials since 1987, when he joined the IBM Scientific Center in México. Esteva spent several years teaching mathematics and developing computer-based educational programs at Wheeling Jesuit University and its Center for Educational Technology in West Virginia. He taught mathematics and computer science at Randolph College for three years, and now works independently in Europe.