Veteran media sales executive and Country Radio Hall of Famer Tim Closson has been tapped as senior account executive for the 22-year-old Florida-based all-barter radio promotions company. Closson said he is “honored and excited to join the team”; Sun & Fun Media cofounder and CEO Rob Koblasz praised Closson for his “deep understanding of what it takes to deliver ratings and revenue for stations,” and called him “an invaluable resource for our station affiliates.”