Dr. Antonicic attended the University of Illinois and graduated in 1994. He practiced in the western suburbs of Chicago until joining Burnham Park Animal Hospital. Previously, Dr. Antonicic has practiced exotic medicine, alternative medicine, and feline-exclusive medicine. His current interests include internal medicine for dogs and cats, as well as surgery and dentistry. During his personal time he can be found dining out, cooking at home, reading science fiction and fantasy, or keeping his French skills fluent.