After spending time in North America, Olver moved overseas to log seven years in the DEL, Germany's premier league. Notably, he was pivotal in the championship Eisbaren Berlin earned in 2021. In total,
he played 246 games and reached 132 points over the time he spent in Germany, proving him to be a reliable and effective player on the international stage. Whether in a home market or abroad, Olver has proved capable of adapting to different competitive environments.