Ian H. Witten is a computer scientist at the University of Waikato, New Zealand. He is a Chartered Engineer with the Institute of Electrical Engineers in London who graduated from the University of Cambridge with a BA and MA (First Class Honours) in mathematics in 1969 and an M.Sc. in mathematics and computer science from the University of Calgary, where he was a Commonwealth Scholar, in 1970.[1] He received his Ph.D., Learning to Control in 1976 from the University of Essex, England (Electrical Engineering Science).[1] Witten is a co-creator of the Sequitur algorithm[2] and original creator of the WEKA software package for data mining.