Prior to joining Vana Belle, a Luxury Collection Resort, Koh Samui, O’Sullivan served as Manager of the exclusive Club Coco Palm at Coco Palm Bodu Hithi, a Small Luxury Hotel of the World, in the North Malé Atoll of the Maldives and as General Manager at Brooks Hotel, also a Small Luxury Hotel of the World, in Dublin, Ireland. Prior to entering the luxury hospitality field, O’Sullivan earned a degree in hotel management from Shannon College of Hotel Management in Ireland.