John DeTellem is the TIA Portal product marketing manager for Siemens Industry in the United States. He started his career over 30 years ago as an automation project engineer/project manager for Rockwell Automation in the automotive industry, leading projects at Chrysler and BMW based primarily on Allen-Bradley PLC5/CLX PLCs. DeTellem has been with Siemens 14 years. He holds a BSEE from the University of Iowa.
