[12] After finishing Being Human for Syfy Stefan directed in the final season of House and worked in New York on White Collar.

Autumn 2012 he worked in Paris with Jean Reno on the series Jo, before travelling to Atlanta to shoot The Walking Dead.

From there to Pittsburgh to direct Chloe Sevigny and James D'Arcy in Those Who Kill, and then to South Africa to shoot the first episode of Black Sails for Starz, (second season).

Summer 2014 he completed an episode of the new Starz show called Flesh and Bone set in the world of ballet and written by Adam Rapp and Moira Walley-Beckett.

In 2015 Stefan returned to Cape Town to shoot two new episodes of Black Sails directing some of the most complex action/vfx sequences on television at that time.