Madej rose to prominence for co-starring in the YouTube true crime and supernatural series BuzzFeed Unsolved.
[1] He went to Northern Illinois University for two years before attending Columbia College Chicago for editing.
[8] In 2019, Madej co-founded a digital production company, Watcher Entertainment, with fellow ex-Buzzfeed employees, Bergara and Steven Lim.
[11] The channel hosts are a variety of shows starring Madej, Bergara, and Lim, spanning cooking, mystery, gaming, and horror.
[8] The series consists of Madej starring as The Professor, a puppet, quizzing Bergara and a special guest on peculiar historical events and people.