Mr Justice Mark Sanfey studied Law in Trinity College Dublin and graduated in 1982. He obtained a Barrister-at-Law degree from the Kings Inns in 1987 and commenced practice that year. He was called to the Inner Bar in 2004, and practised primarily in the areas of chancery, commercial, insolvency and construction law. He was appointed to the High Court in December 2019, and has presided mainly in the Chancery and Commercial courts. He was appointed Judge in charge of the Chancery List in October 2023, and Judge in charge of the Commercial List in December 2024; he has also presided as Judge in charge of the Arbitration, Personal Insolvency, and Bankruptcy Lists. He is co-author with Bill Holohan of “Bankruptcy Law and Practice” (2010), 2nd edition, Round Hall Press.