Otten, who has Dutch ancestors,[2] was raised in an US Air Force family and spent parts of his youth outside the United States.

[6] He was part of the GasTerra Flames in 2010 and 2011, the years in which the club won a Dutch cup and national championship.

In June 2019, Otten was named an assistant coach of the Dutch men's national team, serving under Maurizio Buscaglia.

With Yoast, he managed to qualify for the final of the 2021 DBL Cup where the team lost to BAL Weert.

On May 25, 2021, Otten signed a two-year contract as the head coach of Donar, with the option for a third season.