Dónall joined the Board of the Glencree Centre for Peace and Reconciliation in 2017. He is a member of the Institute of Certified Public Accountants in Ireland, currently serving as Chairman of the Institute’s Registration Committee. Dónall was a Partner in the accountancy practice Byrne Curtin Kelly in a career that spanned 32 years. He is a Member of the Institute of Directors, where he was awarded a Certificate and Diploma in Corporate Governance, and achieved Chartered Director Qualification within the Institute. He is a Member of the Chartered Institute of Arbitrators with considerable experience in arbitration, mediation and dispute resolution. Until recently, he served as President of Chambers Ireland, the country’s largest business organisation. He worked with several organisations in promoting the role of the visual arts within Ireland. He currently serves as a Director of The Abbey Theatre, Visual Artists Ireland, and European Movement Ireland.