CLINT HIGHAM, 44
President/Partner, Morris Higham Management
Last Year's Rank: 93
He rose from intern to namesake of his Nashville management firm, partly through his long association with client Kenny Chesney, who brought in more than $114 million with the fifth-highest-grossing tour of 2015. The year also saw the breakout of Old Dominion, whose debut single, "Break Up With Him," was a Country Airplay No. 1.