Ottawa University

2023-2024: In his first season as a Brave, Klompenmaker played in 27 games. He averaged 0.8 points and 1.3 rebounds per game. Klompenmaker shot 31.8 percent from the floor, 35.7 percent from behind the 3-pt line, and 50 percent from the free throw line. He scored a career high five points against McPherson College and had a career high five rebounds versus Tabor College.
 
Ellsworth Community College: In 2022-23, Klopenmaker played in 17 games at Ellsworth Community College. He averaged 2.6 points and 2.2 rebounds per game. Klopenmaker shot 34.9 percent from the floor, 26.9 percent from behind the 3-pt line, and 63.6 percent from the free throw line. He was a scholar athlete at ECC.

High School: Klopenmaker lettered in basketball and soccer at CSE Zwolle. He was a starter in a cup final of the Dutch Talent League.

Personal: Son of Karina and Hendrik Klompenmaker and plans to major in business administration. He played travel ball for Landsteded Hammers for Ton Grit. Klompenmaker is a big sports fan and enjoys playing FIFA. He likes racing and go-karting. Klompenmaker played high level soccer until the age of 12.