In 1976, Irwin was called to the bar by Gray's Inn.[2][3] He then practised as a barrister, and specialised in "clinical negligence, enquiries and scientific tort cases".[3] On 8 April 1997, he was appointed a Queen's Counsel (QC).[6] In 1999, he was appointed an Assistant Recorder; as such, he served as a part-time judge in addition to practising a barrister.[3][7] On 18 July 2000, he was appointed a Recorder of the South Eastern Circuit.[8] During the 2002/2003 tax year, he received £314,000 in legal aid fees; "Mr Irwin received £314,000, most of which is likely to relate to a group action over Gulf war syndrome against the Ministry of Defence which collapsed this year when legal aid was withdrawn because of a lack of scientific evidence.".[9] In 2004, he served as Chairman of the Bar Council.[2]
In 2020, Irwin was elected Master Treasurer of Gray's Inn and is customarily referred to as 'Master Irwin' when acting in his capacity as a bencher.[10]
Judiciary
On 18 May 2006, Irwin was appointed a judge of the High Court of Justice (Queen's Bench Division).[11] From 2008 to 2012, he was a Presiding Judge on the Northern Circuit.[3][7] In 2012, he was appointed a Member of the Special Immigration Appeals Commission (SIAC).[2] The SIAC has been described as the "most controversial" and "most secret court within English law".[12] From January 2013 to December 2015, he served as Chairman of the SIAC.[7] On 1 October 2016, he was appointed a Lord Justice of Appeal.[13] He retired from full-time judicial duties on 7 October 2020 but continues to sit part-time as Deputy Lord Justice of Appeal.[14]
In November 2020 Irwin was announced as the part-time Chair of the House of Commons Independent Expert Panel which adjudicates complaints of bullying, harassment or sexual harassment brought against Members of Parliament.[15]
Personal life
In 1978, Irwin married Deborah Rose Ann Spring. Together they have three children; two daughters and one son.[2] From 2012 to 2015, he served as Chair of the Poetry Society.
^ abcde"Mr Justice Irwin". judiciary.gov.uk. Courts and Tribunals Judiciary. 31 July 2015. Archived from the original on 29 October 2016. Retrieved 28 October 2016.
^‘IRWIN, Hon. Sir Stephen (John)’, Who's Who 2014, A & C Black, an imprint of Bloomsbury Publishing plc, 2014