Erstwhile artificial intelligence researcher and currently an entrepreneur. Cassimatis has undergraduate and doctoral degrees in cognitive and computer science from Massachusetts Institute of Technology, and a master’s degree in child psychology from Stanford. He studied for his Ph.D. under Marvin Minsky, arguably the most prominent and influential artificial intelligence researcher of the second half of the 20th century. Later, Cassimatis was a professor at Rensselaer Polytechnic Institute, founder of a successful startup, and a researcher at Yahoo and Samsung.