Bryan Kosteroski's influence on minor softball is big league.
He was president of the Saskatoon Minor League for 4 years and was instrumental in developing a updated league structure along with implementing the resources to launch a new Blast Ball program for players ages four to six
Bryan became president of the Saskatoon Amateur Softball Association and has held the position for the past 13 years, which organizes league play and playoffs for more than 45 men's and women's teams in Saskatoon. Kosteroski was chair of the International Softball Federation men's championship in Saskatoon in 2015. He has also served on organizing committees for national and international events, including being the chair of eight Canadian championships and two Western Canadian championships.
Kosteroski has coached in provincial, Western Canadian, Canadian championships and International events. Bryan also Coached in the Sask First Softball program.
Among his sports contributions are serving on a campaign to have ball diamonds named after Glenn Reeve and Joe Gallagher, starting the Saskatoon Softball Hall of Fame and chairing the Friends of the Bowl Foundation with a goal of improving sports facilities at the Gordie Howe Sports Complex.