Dr. Marguerite Mullée holds a doctorate in Conducting and Vocal Pedagogy from Columbia University and a Masters in Humanities (focus in Gregorian Chant research) from Manhattanville College. She had taught at Holy Apostles on campus and is now teaching online. Dr. Mullee also serves as Professor of Catholic Studies (on campus) at Sacred Heart University in Fairfield CT.

Dr. Mullée has conducted many church and community groups in Connecticut and New York and has had her work with choirs and orchestras featured on recordings for the Connecticut Composers Inc. Through her concerts and European tours with local groups, she was the recipient of the Statement of Recognition for Musical Excellence in CT from Governor M. Jodi Rell. She continues to conduct and sing liturgical music and maintains a voice teaching/coaching studio.

An active lecturer, Dr. Mullée offers pre-performance lectures for the Metropolitan HD Opera series, community courses in opera and music history for seniors, and Gregorian Chant and singing workshops for churches and communities. She has been a guest lecturer at the Stratford Shakespeare Festival in Ontario and has presented the annual Thomas Aquinas lecture in Sacred Music at UConn Storrs.