Horst held the position of Director of Basketball Operations for the
Milwaukee Bucks from April 2008 to June 2017, and from August 2007 to April 2008 he was the Manager of Basketball Operations for the
Detroit Pistons. Horst became the general manager of the Milwaukee Bucks in June 2017. He took over from
John Hammond, who joined the
Orlando Magic. After the
2018–19 NBA season, Horst won the 2019
NBA Executive of the Year award. The Bucks had a league-best 60–22 record and reached the Eastern Conference finals in the
2019 NBA playoffs. On June 7, 2019, Horst signed a contract extension with the Milwaukee Bucks. On July 20, 2021, Horst's Bucks became NBA champions after defeating the
Phoenix Suns in the
2021 NBA Finals. On April 24, 2025, Horst and the Bucks agreed to a multi-year contract extension. ==References==