Howard M. Heys is a cryptographer, a retired professor of Electrical and Computer Engineering at Memorial University of Newfoundland. His research includes the design and analysis of stream and block ciphers and efficient hardware implementations of them; he participated in the design of CAST-256 and has published cryptanalyses of such block ciphers as RC5 and CIKS-1. He has served twice as co-chair of the Selected Areas in Cryptography workshop: with Carlisle Adams in 1999, and with Kaisa Nyberg in 2002.^[1]

Heys received his Ph.D. in 1994 from Queen's University. He lives in St. John's, Newfoundland with his wife and two children.