While Rick Dees is still playing the latest hits on all of his Weekly Top 40 incarnations at 66 (He will turn 67 in March) there was John Garabedian who retired from his long running show Open House Party last year at the age of 75. Who would consider as the oldest Top 40/CHR Presenters in different markets and other radio shows. Let's say go past the age of 50 with this new subject.