Shay DiddyClear Channel San Francisco VP of Programming Don Parker has promoted Big Von to APD and ¬†Shay Diddy (pictured) to MD. Both individuals had been filling those respective roles on an interim basis since the February departure of APD Kenard Karter to become PD of WGCI/Chicago. “I spoke with many well-qualified candidates from around the country, but it became clear that I already had the best candidates in-house,” commented Parker.