Marissa Guckin Speak one-on-one with your Admissions Counselor, Marissa Guckin, about JU's graduate program(s) and professional studies. Marissa is an admissions expert in the following degree concentrations: • Dual Degrees • Master in Business Administration (MBA) • Master of Science in Organizational Leadership (MSOL) • Master of Science in Applied Business Analytics (MSABA) | Talk With Marissa |