In 2001, he wrote and directed the short film Jewel of the Sahara starring Gerard Butler. The film received positive reviews and was screened at a number of festivals. While making this film, an intern coming from a wealthy family accompanied Vromen to learn from him and at the end of his work on the film Vromen got a 900,000-dollar check from the intern who told him "here is the money for your first feature film". This funding helped him make the thriller Rx. Right after his work on Rx he got an offer to direct a film called Danika.
In 2005, after watching a documentary film on HBO about the serial killer Richard Kuklinski who worked for the mafia and murdered more than 125 people from the 1960s to the 1980s, Vromen began work on The Iceman. Vromen and his co-writer, Morgan Land, read more than 1,000 pages of Kuklinski's Criminal records. On August 2012, The Iceman was screened at the 69th Venice International Film Festival and was released worldwide on May 2013.
