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Monday & Thursday Workouts @ Hefty's in Baltic
VOLLEYBALL CAMP - June 26-28th for 3rd-12th Grades!
Scholarship Camps in July & August
Winter Team Tryouts in August 18th!

Tri-State Ambush 

Youth Basketball Academy

  • Together to Form Something Great
    Come see the best of both worlds!
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Who We Are

USD + SDSU = Win/Win

Garrett Callahan

Director of Basketball Operations - tri-stateambush@hotmail.com

Garrett graduated from Seneca High School in Seneca, IL in 2006 where he was a multiple star athlete. At Seneca, his teams went 111-12 over 4 years as a Varsity Starter, two time 1st Team All-Stater, and won the 2006 State Championship by going 35-0. In 2014, his number, #33, was retired at Seneca High School. Garrett also started all 4 years at South Dakota State University in Brookings. He graduated ranked 6th on the All-time scoring list and 10th on the All-time assist list. In 2010, Coach Callahan went home and set up the Illinois Ambush Youth Basketball Academy. Later the Callahan's moved to Iowa where he started the Iowa Ambush Youth Basketball Academy. They now live in Sioux Falls, SD.


Personal: Garrett has an Bachelor of Science in Health Promotion. He is married to Beth and has two daughters and a son; Kinley, Raelyn & McCoy. 


Favorite Quote: "Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are". - John Wooden

Josh Mueller

Director of Program Development - josh.ambushapparel@gmail.com

Coach Mueller is the third all-time leading scoring in South Dakota history.  He won two state titles with West Central and one runner-up.  His state tournament record of 147 points (32,60,55) still stands.  He was a three time first team all-state player and player of the year in 2001.  Coach Mueller attended the University of South Dakota and ended his career as the leader in assists and steals as well as second all-time in scoring.  Josh played seven years of professional basketball including stints with the Sky Force under current Sacramento Kings coach Dave Joerger and Portland Trailblazers assistant Nate Tibbetts.  He also played in top professional leagues in Germany, Holland and Finland.  He spent his final year in Europe as the head of player development for Telecom Baskets Bonn one of the top teams in Germany.  



Personal:  Josh has his Masters degree in special education with an emphasis in Autism.  He is married to Kelsey and has two daughters; Emery (6) Piper (4)



“I’ve worked with and collaborated with Coach Mueller for many years.  His passion, creativeness and specialized instruction make him one of the best trainers I’ve come across.  He has my full endorsement when it comes to teaching the game of basketball.  I look forward to our continued work together as we both strive to get the most out of the players we work with.” 

- Nate Tibbetts (Portland Trailblazers Assistant Coach) 

Ryan Millsap

Head Coach and Trainer - ryan.ambushllc@gmail.com
Coach Millsap played at University of Sioux Falls and was an All-Conference performer. He left USF as a member of the 1,000 pt club and continues to make an impact on and off the floor. He now lives in Sioux Falls with wife and kids. 

Jordan Miller

Head Coach and Trainer
Coach Miller played at Southwest Minnesota State University and started all 85 games in his career. He was an All-American performer and is 3rd All-Time Scorer at SMSU.  He is a 2008 graduate of Mitchell HS and in his senior season lead the Kernels to the Class 2A state tournament championship game. He was named a 2008 South Dakota Mr. Basketball Finalist. He now lives in Sioux Falls with his wife and son. 

Cory Jacobsen

Head Coach and Trainer - cory.ambushllc@gmail.com
2011 South Dakota Mr. Basketball finalist ... played on the varsity team since seventh grade, earning a total of five varsity letters in basketball ... all-conference selection from 2007-11 ... first-team all-state selection in 2010 and 2011 ... second-team all-state selection in 2009 ... named to the State Class 'B' All-Tournament Team from 2009-11 ... two-time Argus Leader "First Five" selection ... also earned four varsity letters and numerous honors in football, including Yankton Daily Press and Dakotan Player of the Year honors in 2010