As a member of Cavell Mertz and Associates (now part of Capitol Airspace Group), John applies 50 years of experience in television and radio technology. He was Senior Technologist at National Public Radio until retirement in 2015, directing network research projects at NPR Labs as well as support for FCC filings.
His first chief engineer job was KBZT FM in San Diego, leaving to join NPR in 1980. In 1986 he moved to consulting engineering with Jules Cohen and Associates, followed by 15 years with Moffet Larson and Johnson. He returned to NPR in 2004 to help launch NPR Labs.
John received Engineering Achievement Awards from both the NAB and the Association of Public Radio Engineers. He authored chapters of the NAB Engineering Handbook, editions 7, 8, 9 and 11, and is active in the Audio Engineering Society, the IEEE and the National Radio Systems Committee.