Ms. Zarych received her Juris Doctor degree from Villanova University School of Law. At Villanova, she volunteered her time for the Homeless Advocacy Project and won her first trial as a student in the school's Juvenile Justice Clinic. Prior to law school, Ms. Zarych graduated cum laude from Fairfield University in Connecticut in just three years with two majors, English and Religious Studies. Ms. Zarych was honored for her excellence in academics and community service by being inducted into Alpha Sigma Nu, the National Jesuit Honor Society. She was also granted membership into the National English Honor Society and National Religious Studies Honor Society. After leaving college Ms. Zarych worked in advertising research for a large magazine publisher in New York City. She is also registered in NJ as an EMT-Basic.

Ms. Zarych describes the American criminal justice system as one that is "inundating to the poor, the uneducated and the unrepresented. The ease with which innocent people are accused of crimes and the stigma that immediately attaches to them solely because of those accusations is shocking. We have a good system that is imperfect. As such, the criminal defense lawyer must be both a diplomat and a warrior."

Currently, Ms. Zarych is a member of the Atlantic County Bar Association. She volunteers as an attorney-coach for Pleasantville High School's Mock Trial Team and with Habitat for Humanity of Atlantic County. Stefanie has also become a familiar face in Haiti since the 2010 disaster. She has spent time helping those in need during several trips to the devastated country.