Alexander M S Green M.Theol (Hons), LL.B, LL.M, M.Litt, MStJ FSA Scot is a Tribunal judge and the Procurator Fiscal to the Court of the Lord Lyon.^[1][2] He was appointed to this position in July 2010.^[3]

He was admitted as a Freeman to the Worshipful Company of Scriveners in July 2014 and a Liveryman in July 2015. He is a Burgess and Free Guild Member of the Burgh of Aberdeen.^[4] He is a Fellow of the Society of Antiquaries of Scotland. He was granted the Freedom of the City of London in January 2015 by virtue of being a Liveryman. He is a Member of the Most Venerable Order of the Hospital of St John of Jerusalem.

He attended Dyson Perrins Church of England Academy (formerly Dyson Perrins C.E. High School) and is a graduate of the University of St Andrews holding degrees in Theology and Scottish History and the University of Aberdeen, holding degrees in Scots law and Public International Law.

He was a partner at CMS Cameron McKenna before establishing his own practice.^[5] He is a solicitor admitted to practice in England & Wales and also in Scotland. He is a Notary Public in Scotland.

He is the President of the First Tier Tribunal (General Regulatory Chamber) for Scotland.^[6] He sits as a judge in the Employment Tribunal and the First Tier Immigration and Asylum Chamber.^[7]

Since his appointment as Procurator Fiscal to the Lyon Court, he has occasionally had to deal with Scottish football clubs using heraldic badges, which has excited a considerable amount of debate as to the role of the Law of Arms in modern Scotland^{[8][9][10][11]}