Prior to her transition to academia, she was a full-time attorney with a practice in employment and labor law, where she represented both employers and employees in personnel matters. Dr. Fiorentino teaches courses related to human resource management, such as Employment and Labor Law, Employee Relations, and Issues of Employee Health in the Workplace. Her research is focused primarily in the area of employment risk management. She maintains a limited law practice, providing employment and labor law counseling to clients. She is actively engaged in the HR community and lectures frequently to HR groups.