Bob Sims came to soccer when, in 1958, he was “assigned” the task of coaching Westminster High School's soccer team. He stopped at the public library on the way home from school to check out some books on the topic and there were none. He eventually acquired a few manuals and led his team to a 5-3-1 first season. Believing that the lack of literature simply “would not do”, Sims joined the National Soccer Coaches Association of America and began attending their annual meetings and coaching clinics. After years of steady effort by Sims to get the Georgia High School Association to recognize soccer as an official interscholastic sport, this became a reality in 1965. The GHSA named him their state soccer coordinator and tournament chairman and he served in that capacity until his retirement. He was instrumental in getting high school soccer moved form winter to spring to encourage schools in the northern part of the state to field teams. Later he was also successful in gaining region status for soccer, which meant that high school soccer teams played the same opponents faced in other school sports such as football and basketball. These efforts were key to soccer’s growth in Georgia. From its fledgling start of 20 teams, high school soccer exploded to 157 teams during Bob’s tenure.
In addition to all of the achievement off the field, Sims' teams on the field with the Georgia Youth Soccer Association (GYSA), the Atlanta District Amateur Soccer League (ADASL) and Westminster High School won numerous local, state and regional championships. Throughout his coaching career, Bob’s teams competed in 625 games and won 508 of them.
Sims earned the National High School Athletic Coaches Association of America Coach of the Year Award in 1975, the Georgia High School Association Leadership Award in 1993, coached the West Team in the 1984 Army National High School All Star game at West Point, was a Charter Member of the National Federation of High Schools Soccer Rules Committee from 1970-1976 and again served from 1981 to 1985.
Sims coached 2 Northside YMCA youth soccer teams for six years, winning four league championships and a state championship. He served on the YMCA Governing Board from 1974 to 1994 and was its Soccer Committee Chair from 1981 to 1986. In his six years with the Atlanta District Amateur Soccer League, he coached six different teams to five division championships, with an overall record of 132-10-3. For two of those years, he was league President.
Westminster School honored Sims in 1993 by establishing the “Bob Sims Sportsmanship Award” and the “Bob Sims Math-Science Award." In 2001, he was inducted in to the Georgia Soccer Hall of Fame.