Dr. Johnson is currently a senior security manager for John Deere. He manages technical security programs across more than 130 John Deere business units in 160 countries worldwide. John has been responsible for architecting solutions that have been critical to maintaining global network security at John Deere. John is a frequent speaker and member of peer groups, industry panels, advisory councils, and has served as board member for several professional societies. John is an adjunct professor, course designer, author and security blogger. Prior to working at John Deere, John was security manager for the Theoretical Division, Los Alamos National Laboratory. John is a frequent lecturer on computer security and member of peer groups, industry panels and advisory councils.