Ty Amundsen, Men's Basketball Assistant Coach
One of the nation's top high school head coaches joined the Sun Devil Men's Basketball coaching staff ahead of the 2025-26 season. Ty Amundsen will serve as an Assistant Coach for Arizona State. He arrived in Tempe after spending the past eight seasons as the head coach of the Millennium High School Boy's Basketball program.
“The addition of Coach Amundsen is exciting for our program," Head Coach Bobby Hurley explained. "He established himself as one of the premiere high school coaches in the country and brings a lot of coaching experience to the table.”
Amundsen joined a staff that already included assistant coaches Jerrance Howard and Nick Irvin as well as special assistant to the head coach Ty Larson, who each have extremely deep connections at the prep and AAU level. Amundsen's addition only bolsters a group that is equipped to recruit some of the nation's top prospects. Combine that with the presence of Final Four MVP and First Round NBA Draft pick Bobby Hurley and it results in one of the most respected coaching staffs in the nation.
"It is a true honor to be coaching at Arizona State University and to coach alongside Bobby Hurley," Amundsen mentioned. "To learn from Coach Hurley and grow both as a coach and a competitor. I'm ready for the challenge."
During his tenure at Millennium, he turned the Tigers into a powerhouse, helping them emerge as one of the state's top programs. That included four state championship game appearances and eight regional championships. He guided Millennium to the 2024 AIA Open Division state championship game and followed that up with a semifinal appearance in 2025. This past season, Amundsen's team was the lone Arizona school that didn't lose a game in the highly-competitive Section 7 tournament hosted annually at State Farm Stadium, bringing some of the country's best prep teams to The Valley.
Millennium was a combined 17-35 in two seasons prior to Amundsen taking over. After going 13-13 in his first season, he orchestrated a historical turnaround, leading the Tigers to seven consecutive winning seasons. That included five seasons of 20+ wins (10 wins in one season due to shortened COVID season), highlighted by back-to-back 28-7 and 25-5 campaigns.
He was named region coach of the year each of his eight seasons at the helm of Millennium. Prior to his stint in Goodyear, Amundsen enjoyed successful stops at St. Mary's (Phoenix) and Estrella Foothills (Goodyear). While at Estrella Foothills, he engineered three-straight AIA 3A State Championship runs. With the Wolves, he was a three-time Arizona high school coach of the year and six-time region coach of the year.
Amundsen has been a part of the development of several of the state's top boy's basketball prospects over the past decade. Four Arizona High School Gatorade Player of the Year award winners have played under Amundsen. He has sent players to college programs all over the country, many that have also gone on to play professionally. Some of his former players include former Miami Heat guard Corey Hawkins (UC Davis/ASU), current Denver Nuggets forward and 2024 NBA Draft 1st Round pick DaRon Holmes (Dayton), former Boise State standout Marcus Shaver (playing professionally in Argentina), Oregon State four-year starter Kyle Jeffers (playing professionally in Philippines) and many more.
Born in the Bay Area of California, Amundsen played at Newark Memorial High School, where he won a MVAL Championship and ended the season with the No. 1 ranking in Northern California. After high school, Amundsen attended Chabot Community College for two years before moving on to Fresno Pacific University. He was a key contributor to the GSAC Championship run for the Sunbirds during his first season. Amundsen averaged 15.8 points per game (second on the team) and 4.7 assists per game (first on the team). That same season the Sunbirds also qualified for the NAIA National Tournament, where they advanced to the Elite 8. In his two years with the Sunbirds, the team set school records for wins. To this day, Amundsen is still Fresno Pacific University’s record holder for free throws made in a game, netting a perfect 13 of 13 in the GSAC Championship game.
Amundsen is joined by his wife, Diane, in Tempe. Their daughter Mia is currently a student at Arizona State studying Sports Management. Their son JT, who was coached by his dad Ty at Millennium, is a freshman guard on the Northern Arizona Men's Basketball team.