Sitoci started his career in 2001, wrestling under a mask, in mainland European wrestling promotions. In 2003 he travelled to America as an exchange student, which enabled him to stay for a full year and train under Chris Hero. By 2004 Sitoci had dropped the mask and was given the nickname "Tremendous". During this time, he competed in companies such as IWA Mid-South, CZW and Chikara. In 2005 he returned to CZW to challenge Mike Quackenbush for the CZW World Junior Heavyweight Championship in the ECW Arena.[2]
Upon returning to Europe, Sitoci achieved success in Germany in Westside Xtreme Wrestling by capturing the wXw World Lightweight Championship from Jonny Storm.[3] Sitoci went on to defend against the likes of Matt Sydal, El Generico and PAC before losing the title in 2006. In 2008 he recaptured the title for a second time by defeating Zack Sabre Jr. in the finals of an 8-man tournament in Oberhausen, Germany.[4]
On January 25, 2013, Sitoci made his debut for Japanese promotion Wrestling New Classic in Tokyo, defeating Yusuke Kodama in a singles match.[7] Two days later, he picked up another win over Koji Doi.[8] Afterwards, Sitoci joined WNC's top heelstable Synapse.[9] However, in Sitoci's first match as a member of Synapse on February 28, he turned on the stable's leader, Akira, costing him and Syuri their six-person tag team match against Makoto, Tajiri and Zeus, and afterwards challenged him to a match for the WNC Championship.[10] Sitoci received his title shot on March 31, but was defeated by Akira.[11]
In 2012 Emil was the central figure in an episode of The World of Beau, In which he was described as "the best wrestler in the Netherlands." In this episode he trains presenter Beau van Erven Dorens on his debut in the ring. Sitoci has a Master Training Film and Television Studies degree from the University of Utrecht.
In early 2013 he has done behind the scenes working as an editor for the BNN program "Proefkonijnen".
Currently Emil is working on a new reality show by John de Mol (creator of Big Brother and The Voice) called Utopia.
It’s about building up a new society from scratch, with no laws and no rules.[13]