Gunn Will Travel: Cumulus' KBUL/Reno, NV PD Derek Gunn has joined Stoney Creek as Dir./Regional Promotion-West Coast after 15 years with the station, the last 18 months as PD. He replaces Samantha Borenstein, who went to Columbia last month (CAT 8/18). Reach him at 775-287-1722 or here. No word on plans to replace him at KBUL.