Kalle Larsson first joined the Fighting Saints in August of 2015 as the Director of Player Personnel. Since then, he has risen up the ranks and become the President of Hockey Operations & General Manager of the organization. As GM, he oversees all aspects of hockey operations and makes all hockey personnel decisions. Larsson served as USHL GM Chair for three years (2019–2021), is a current GM representative of the USHL's Competition Committee, and was a member of the league's Return to Play COVID Task Force.
Larsson has cultivated a strong crop of players during his time with Dubuque which has made the playoffs in every season under his watch. Dubuque players drafted by Larsson and subsequently drafted in the NHL include: Stephen Halliday, Kenny Connors, Andrei Buyalsky, Braden Doyle, Erik Portillo, Ryder Donovan, Patrick Kudla and Santeri Virtanen, among others. Other players who have been Fighting Saints under Larsson's tenure and played NHL games include Matias Maccelli, Wyatt Kaiser, Henry Thrun, and Alex Steeves.
Dubuque has seen over 95% of all players commit to Division I schools under Larsson's guidance. Academics have been a key focus for Larsson's teams. The Fighting Saints have had four of the USHL Scholar Athletes, and have represented over 33% of all of the USHL All-Academic teams since the USHL began recognizing academic achievements in 2016-17.
Following the conclusion of the 2019–20 season, Larsson was named USHL General Manager of the Year after helping piece together one of the best teams in Dubuque hockey history. Larsson was responsible for drafting USHL Goalie of the Year Erik Portillo, USHL Forward and Player of the Year Riese Gaber, and three other All-USHL selections from that season's team.
Larsson joined the Fighting Saints from the Sioux City Musketeers, where he previously served as the club's Assistant General Manager and Director of Scouting. The Gothenburg, Sweden native joined the team late in the 2013–14 season and provided insight to the organization during two USHL drafts. In 2014-15, Sioux City finished in the top spot in the USHL's Western Conference.
Prior to joining Sioux City, Larsson was the Associate Head Coach at his alma mater, Lawrence University in Appleton, WI. Larsson played for Lawrence from 2003-2007, scoring 19 points in 22 games his senior season. Larsson returned to Lawrence as an Assistant Coach in 2010. He spent four years on the coaching staff of the NCAA Division-III program before joining Sioux City.
Larsson graduated from Lawrence with a double major in Government and International Studies, and a minor in History.
Larsson lives in Chicago with his family.