Hitoshi Iba is a Professor at the Graduate School of Information Science and Technology at the University of Tokyo. From 1990 to 1998, he was a senior researcher at the Electro Technical Laboratory (ETL) in Ibaraki, Japan. He is an Associate Editor of the Journal of Genetic Programming and Evolvable Machines (GPEM). He is also is an underwater naturalist and experienced PADI divemaster having completed more than a thousand dives.