Angus graduated with an honours degree from the School of Dental Science, Trinity College in 2004. He then completed his Vocational Dental Training in Cavan, gaining experience in Paediatric Dentistry, before returning to Dublin to work in both the HSE Primary Care service and private dental practice. He completed his Membership examinations with the RCSI in 2006 and went on to work as a Senior House Officer in Oral and Maxillofacial Surgery in the UK before returning to the Dublin Dental Hospital to complete his 3-year Specialist Orthodontic training programme. He was awarded his Doctorial Degree in Orthodontics along with his Membership in Orthodontics from the RCS Edinburgh in 2013. He subsequently worked as a Specialist in both the HSE and private practice before completing advanced training to hospital consultant level in the Royal Surrey Hospital, Guildford and Eastman Dental Hospital, London. His areas of interest include dental education and complex treatments requiring multidisciplinary care. He is a Senior Lecturer and Consultant in the Dublin Dental University Hospital, Trinity College.

Angus is a member of the European Orthodontic Society, World Federation of Orthodontists and Orthodontic Society of Ireland -serving as a council member of the OSI since 2020 and is the OSI President (2024 to 2026).

Angus lives in Dublin with his wife and two children. In his spare time, he is a keen cyclist, DIY enthusiast and is actively involved with youth rugby in his local club.