Kaleidoscope Sports & Entertainment named KEN KOLB as Dir of Sponsorship Sales. Kolb had spent 13 years at Rysher Entertainment (Kaleidoscope)....WALTER LUBY has been named Senior VP/CFO & CAO for Strike Ten Entertainment. Luby had been serving in an advisory capacity to the company. Previously, he was CFO for Apex One and began his sports career at NHL Enterprises (Strike Ten)....NJ-based PR firm, Mastro Communications, named MICHAEL KAUP as Account Manager. He will work on the Prince Sports Group and Tommy Armour accounts (Mastro Communications)....MARK SZUCHMAN was named GM of CT-based MGRSports, the sports marketing unit of MGR Inc (ADVERTISING AGE, 9/22 issue).