Arran is a Child and Adolescent Psychiatrist and has worked across public specialist services, Ministry of Health, NGO, Kaupapa Māori and Primary Care settings. Most recently he has been Chief Clinical Advisor and then acting Associate Deputy Director General within the Mental Health and Addictions Directorate at the Ministry of Health in New Zealand.

Arran has a range of wider sector leadership and governance experience and has strong interests in life-course developmental and population level approaches to mental health and wellbeing, particularly in the area of digital wellbeing and eMental Health initiatives.