Simmons, of Minnetonka, is a former officer of the Minnesota Golf Association (he was president, 2001-2002), served on the board of directors, from 1980-2013, was a longtime committee volunteer with the USGA (Mid-Amateur Committee, 1984-2004), and continues to volunteer as an MGA Rules official. Simmons was instrumental in bringing the USGA’s Senior Amateur, Walker Cup (which he co-chaired) and Women’s Open championships to Interlachen Country Club, his home course. He was also chair of the Dayton’s Challenge, from 1995-2012, which raised a significant amount of money for the Children’s Cancer Research Fund. Simmons is a director of the Western Golf Association, is a tireless supporter of the Evans Scholar Program, which provides college scholarships to deserving caddies, and has been a strong supporter of the University of Minnesota Golf Program, particularly during a turbulent period when the program was in danger of being eliminated.