Sikora was born in Chicago, Illinois, to mother Barbara and father Albin, one of three boys, and lived in the Jefferson Park and Norwood Park neighborhoods. He is of Polish and Dutch descent. Sikora graduated from Notre Dame College Prep in 1994. He studied acting at Columbia College Chicago, where he earned his MA in theater.
- Title: Joseph Sikora
- Popularity: 13.124
- Known For: Acting
- Birthday: 1976-06-27
- Place of Birth: Chicago, Illinois, USA
- Also Known As: Joe Sikora, Joseph Sikkora