A native of Baltimore, Maryland who moved to San Diego, California at age 7 and started playing golf at The Farms Golf Club. After seven years in California, moved to San Antonio and joined TPC San Antonio, host of the PGA TOUR's Valero Texas Open.

Johnny's father, John Keefer III, got him into the game by bribing him with lacrosse equipment, saying, "If you take X amount of lessons in X amount of weeks, you will get a new lacrosse stick." Initially, Johnny wanted to play professional lacrosse, though he switched his focus to golf after moving to San Antonio, Texas.

Huge fan of the popular television show The Office. Has watched the show in its entirety 10-plus times, with his favorite episode occurring in Season 7 when Michael finally ends up with Holly.