Brian Kalczynski started coaching in the spring of 1999 as an assistant coach to Bob Riker at Brother Rice High School. That summer, he became an assistant coach for the Brewster White Caps of the Cape Cod League. Over the next four seasons, he coached at the University of Illinois, University of Michigan, and Central Michigan University. In 2004, he rejoined Bob Riker and the Brother Rice Coaching Staff.
Coach Kal has had great success in recent years coaching high school-age summer baseball. In 2013 and 2014, his Midwest Elite Teams won the Perfect Game BCS National Championship. The 2014 18u Midwest Elite finished the year ranked #5 nationally by Perfect Game. In 2015, Coach Kal led the 14u Warriors Baseball Club of Michigan to championships in both the Perfect Game BCS Championship and the Perfect Game World Series. The 2015 14u Warriors finished the year ranked #1 in the country by Perfect Game. In 2017, Coach Kal led the 16u D Las Vegas Baseball to a third place finish at the 16u Perfect Game World Series, earning the team a #11 national ranking by the end of summer and an end of year #22 national ranking.
In the fall of 2016, Brian Kalczynski and Casey Smith partnered and formed BKC Baseball to train professional, college and amateur athletes in the Metro Detroit-area. That winter, Coach Kal helped organize a team of experts to train All-Star Second Baseman, DJ LeMahieu. In its first 6 months, BKC's client base went from 30 to nearly 300 athletes.