Graham Speake (CISSP #56073, M.Inst. ISP) is a Principal Systems Architect at Yokogawa Electric Corporation, a major industrial automation supplier. He currently provides security advice and solutions to internal developers and customers in many countries. His specialties include industrial automation and process control security, penetration testing, network security, and network design. Graham is a frequent speaker at security conferences and often presents security training to customers around the world. Graham's background includes positions as a security consultant at both BP and ATOS/Origin and as an engineer at the Ford Motor Company.

Graham holds a bachelor's degree from the Swansea University in Wales and is a member of the ISA. Graham was born in the United Kingdom, but now lives in Houston, Texas, with his wife, Lorraine and daughter, Dani.