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John Demko is an experienced media professional with a diverse background in radio broadcasting and event entertainment. Currently serving as the Production Director at Griffin Communications since August 2018, John also operates a mobile DJ service through Demko's Essential Entertainment, established in August 2011. Previously, John held positions as on-air talent at The E.W. Scripps Company for 98.5 KVOO, where contributions were made as mid-day talent, and at Journal Broadcast Group, where John was both on-air talent and a mix show producer for "The Essential Mix." Earlier career experiences include air talent roles at SHAMROCK COMMUNICATIONS and Renda Broadcasting, along with a strong educational foundation with an Associate's degree in Liberal Arts and Sciences from Tulsa Community College.