After retiring, Toppert spent two years as the Director of Basketball Development and coach for ELEV|8 Sports Institute in Delray Beach, Fla., where during the offseason he also trained players preparing for the NBA Pre Draft and international play. Additionally, he coached at numerous camps and clinics across the country, including the NBA Pre Draft Combine in 2013 and 2014. For a brief period, Toppert was an assistant coach at
Scottsdale Christian Academy. While at ELEV8, Toppert amassed a 101–19 record in 3 seasons. On October 14, 2015, Toppert was hired by the
Rio Grande Valley Vipers as an assistant coach. In his official G League coaching debut, the Suns lost to the
Agua Caliente Clippers, 126–118. However, during his tenure, he managed to have five Northern Arizona Suns players the chance to enter the NBA (again), three of which being promotions to the
Phoenix Suns. Northern Arizona also made 14.9 three-pointers per game under Toppert, which led the league and would rank 1st in NBA History. After leading the G-League in NBA call-ups in his first season with Northern Arizona, he was promoted to an assistant coaching position with the
Phoenix Suns. However, after putting up a 19–63 record up in Phoenix under head coach
Igor Kokoškov, Igor Kokoškov was let go, leading Toppert to accept a position on the staff of Penny Hardaway at the University of Memphis. Coach Toppert has worked with 3 NBA All-Stars, 12 players selected in the NBA Draft and developed the 3 of the 4 highest paid undrafted players in NBA History. On June 10, 2019, Toppert was added as an assistant coach on the
Memphis Tigers men's basketball team, replacing
Sam Mitchell on head coach
Penny Hardaway's staff. The Tigers finished 1st in Opponent FG% on defense, and Toppert supervised the development of James Wiseman and Precious Achiuwa. Toppert supervised and tracked their performance using LUCEO's Sports PD App, which he helped develop in his time with the Suns. Toppert has also created and managed the Tigers analytics program, which is considered to be among the most advanced in college basketball. On November 23, 2021, Toppert was selected to the Athletic's 40 under 40 list of rising stars in college basketball. The 2022 Tigers advanced to the second round of the NCAA tournament falling to Gonzaga. In April 2022, Toppert was announced as an addition to Matt McMahon's staff at LSU. On June 26, 2020, Toppert was announced as the head coach of
Eberlein Drive in
The Basketball Tournament 2020. On September 21, 2023, Toppert became the head coach of the
Capital City Go-Go of the
NBA G League. 2023-2024 Season In his first season, Toppert led the Go-Go to a regular season record of 20–14. This tied the franchise record for wins in a season at the time and secured a fourth-place finish in the Eastern Conference, marking their third consecutive postseason appearance. Overall the team won 29 games a then franchise best. 2024-2025 Season Toppert replicated his success in his second season as head coach. The team once again finished with a regular season record of 20–14, tying the previous season's record and once more earning a spot in the playoffs, this time finishing with a franchise best 31 wins. ==References==