"What does an Occupational Therapist (OT) even do??" A question an OT is very familiar with! For me, Occupational Therapy intervention is invaluable to a person’s well-being but the reality is not many people in Ireland know what OT’s do and what OT services are available to them. What is Mental Health OT? OT is a healthcare profession concerned with helping people to “engage as independently as possible in the activities (occupations) which enhance their health and wellbeing