John, who is qualified to practise in Scotland, England and Wales, is one of only three solicitor advocates in the country to have been accredited by the Law Society of Scotland in employment law and discrimination law. He has considerable expertise advising clients from a wide range of sectors including energy and utilities, defence, food and drink, healthcare and social care.

He has extended rights of audience in the Court of Session and the UK Supreme Court and has regularly represented employers in employment and employment appeal tribunals throughout a career spanning nearly two decades.