Lange was named the head coach the German U20 Women's National Team in 1999, a position which he held until 2002. He became the National Teams head coach in 2001. He coach the women's team until 2003.
Following his stint with the women's national team, Lange became the German U20 Men's Head Coach. He held that position for 6 months in 2003.[3]
In October 2025, he was named head coach of the women's senior team.[4]
In 2017, the Russia Basketball Federal tabbed Lange to be their new Women's National Team head coach.[5] Lange coached the Russians at the EuroBasket Women 2019, where they went 1–2 in Group play and advanced to the Final Round. They defeated Italy in the Qualification for Quarterfinals Round, but then lost to Spain in the Quarters. They finished in 8th place. They did not qualify for the FIBA World Cup in 2018. In August 2019, Andrei Kirilenko announced that they would not extend a new contract with Lange.[6]
Lange was named to Sandy Brondello's coaching staff for the Opals in 2019.[7]
Lange began his coaching career in Germany as an assistant coach with BTV 1846 Wuppertal. He spent two seasons with the team, and was a member of the coaching staff when they won the FIBA EuroLeague Championship in 1996.
Lange became the head coach at BTV 1846/Gold-Zack Wuppertal in 1997 and spent five seasons with the organization until 2002. During his time there, Lange helped guide the team to five straight German Championships - from 1998 to 2002.
Lange switched over to the men's side of coaching and became an assistant at Mitteldeutscher BC for one season. During his short time there, the team was the FIBA EuroCup Winner in 2004.
Lange was named the head coach of Ros Casares in 2004 and got them to the Supercup Championship in the same year.[8]
Lange became the head coach at the Russian powerhouse UMMC Ekaterinburg in 2012. During his tenure with UMMC, Lange led the team to five straight Russian Premier League championships (2013–18) and two FIBA EuroLeague titles (2013, 2016).[9]
In January 2018, Lange departed as head coach from Ekaterinburg, just hours after they had defeated Nadezhda in a regular season victory.[10]
In 2005, Lange made the jump to the American collegiate level, when he was named Associate Head Coach at Liberty University. He was in charge of overseeing overall game management, strategy development, scouting, team and individual development as well as supervising the team's strength and conditioning program.[11] Lange spent two season with Liberty until 2007.
Lange made the jump to the professional level following his two season at Liberty. He was hired by the San Antonio Silver Stars of the WNBA in 2007. He was hired as assistant coach, while also being in-charge of video and player development.[8] In 2010, Lange was promoted to Associate Head Coach, when Sandy Brondello was also promoted to Head Coach of the Stars.
Lange has also served as a consultant for various WNBA teams, including the Phoenix Mercury and the Los Angeles Sparks. Both teams were teams where Brondello, his wife, was on staff.[9][12]
In 2019, James Wade hired Lange to join his coaching staff in Chicago with the Sky. Wade had known Lange a long time, as they coached against and with each other over in Europe. Lange was also a coach in San Antonio for Wade's wife Edwige Lawson-Wade in 2010. Lange was in Chicago for three-seasons, including being a part of the 2021 WNBA Championship, which he won over his wife, Brondello.[13]
Lange reunited with his wife, Brondello, when she was hired by the New York Liberty in the off-season prior to the 2022 WNBA season.[1] In their first season together since their days in San Antonio, Lange and Brondello helped guide the Liberty into the playoffs after a slow start to the season.
In 2026, it was announced that Lange was named as the associate head coach for the Toronto Tempo for the team's inaugural season joining his wife, Brondello, who is acting as the team's head coach.[14]
