Mr Coyne is Deputy Chair of the QIMR Berghofer Council.
Mr Coyne is a solicitor of the Supreme Court of Queensland and an accredited specialist in the field of Commercial Litigation, specialising in insurance law, health law, corporate governance and risk management. Following his admission as a solicitor in 1979 he practised law in Brisbane and was a partner in the national law firm Clayton Utz from 1984 to 2004.
Mr Coyne now practices on his own account. He is a member of the Council of the Queensland Law Society. Mr Coyne is a Director of Lexon Insurance Pty Ltd (Queensland Law Society, Singapore Captive Insurer), a Director of the Incorporated Council of Law Reporting for the State of Queensland, past president Medico-Legal Society of Queensland and Australian Insurance Law Association and former legal member Australian Health Ethics Committee.