St Mary's University has a dedicated, experienced, and student-focused faculty. Many lecturers combine strong academic credentials with industry or professional experience. The university maintains a low student-to-staff ratio, enabling personalized support and mentoring.
- Professor Francis Campbell – Vice-Chancellor & Professor of International Relations
- Professor Mark L. Williams – Professor of Sport & Exercise Science
- Dr. Bernadette O’Rourke – Professor of Education & Teacher Training
- Professor Peter Tyler – Professor of Theology & Spirituality
- Dr. John-Paul Shergold – Head of Sport Science & Lecturer in Performance Analysis
- Dr. Elaine Arnull – Professor of Criminology & Social Policy
- Dr. Claire Mitchell – Senior Lecturer in Psychology
- Professor Helen Marshall – Professor of Media & Communications
- Dr. David Brancaleone – Senior Lecturer in Film & Digital Media
- Dr. Anna Devereux – Lecturer in Business & Management