From 1997 to 2003, Nicole Harth studied psychology and sociology at the University of Mannheim. Starting in 2000, she worked as a psychologist in child and adolescent psychotherapy. After a short stay at the Schauspiel Leipzig (dramaturgy and theater education), she began her doctoral studies in 2004 within the DFG-funded International Graduate College "Conflict and Cooperation between Social Groups" and spent a research stay at the University of Sussex in Great Britain (2006). After completing her doctorate (summa cum laude, 2007), Dr. Harth worked as a research assistant at the Jena Graduate Academy and later as a postdoctoral fellow at the Chair of Social Psychology at the Friedrich Schiller University Jena. Dr. Harth has been teaching and researching at the Ernst Abbe University of Jena since October 2014.

Her main research focus is directed at learning how "good" relationships between people are possible. Specifically, she studies conflict and reconciliation between individuals and groups, prejudice and social discrimination, psychological aspects of social inequality, and ways to strengthen social and emotional skills in childhood. Her research is based on experimental and correlative paradigms as well as field research.