Jonas was born on April 24, 1984, in Nassjo Sweden. Before moving to the United States to attend Florida State University, Jonas found great success while playing golf in Sweden. Representing Hammaro Golf Club, he won the 2003 Swedish Junior stroke-play Championship at Finspang Golf Club and the 2005 Swedish Junior match-play Championship at Angso Golf Club. He also won the 2003 Nordic Championship, both individual and team. Since turning pro in 2008, Jonas has won three times on the PGA TOUR, his most recent win coming in 2017 at the Zurich Classic. When he’s not golfing Jonas enjoys watching hockey, especially the Detroit Red Wings.