John Coonrod is a Technical Marketing Manager for Rogers Corporation,. John has 34 years of experience in the Printed Circuit Board industry. About half of this time was spent in the Flexible Printed Circuit Board industry regarding circuit design, applications, processing and materials engineering. The past twenty years have been spent supporting High Frequency Circuit materials involving circuit fabrication, providing application support and conducting electrical characterization studies. John is the Chair for the IPC D24C High Frequency Test Methods Task Group and holds a Bachelor of Science, Electrical Engineering degree from Arizona State University.