Mark trained in the City as a Chartered Accountant and joined the family accountancy firm in Sussex, which subsequently became Kreston Reeves LLP. He served as President of the Institute of Chartered Accountants in England and Wales in 2012 and was appointed to the UK Takeover Panel. Mark spent six years making weekly broadcasts on local BBC Radio on financial matters and has lectured widely on accountancy and regulatory topics. He spent two years on the Government’s Better Regulation Strategy Group. He is currently a member of the Charities SORP Committee that sets the accounting standards for Charities, one of his specialisms, and is a Board member of IFAC, the International Federation of Accountants. He was awarded the OBE in 2014 for services to the accountancy profession. Mark has been Master of two City Livery Companies. He is a Governor of Sion School in Worthing, and is a Trustee of the Thalidomide Trust. He served as High Sheriff for West Sussex for 2016-17.