Career
His current partner is Marylie Jorg. They are the 2009 Dutch Junior pair champions. Koenderink previously competed in both pairs & singles but now only competes in pairs.
Koenderink and Egli were coached by Lee Barkell and Jacinthe Larivière.
In November 2007 Koenderink & Egli had the Juvenile and Pre-Novice record for Canada until it was surpassed by Tara Hancherow / Paul-Remi Poulin (Juvenile) and Zoey Brown / Ian Beharry(Pre-Novice) later that year. In spring of 2008 Koenderink and Egli ended their partnership and by summer 2008 Ben had moved to Montreal, Quebec to skate with partner Marylie Jorg.
Koenderink and Jorg competed at their first JGP this season in Lake Placid and their first Junior Worlds in 2009.