Jenkins joined Cooper Brothers in 1960, qualifying as a chartered accountant in 1963 gaining the 3rd Certificate of Merit. He was a partner in Coopers and Lybrand from 1969 to 1994 and became a pioneer in computer auditing both in his firm and the accounting profession generally. He wrote the standard book "An Audit Approach to Computers" first published in 1978 and translated into five languages. Later he was Chairman of the staff committee and head of audit. In the profession, Jenkins served as Chairman of the London Society of Chartered Accountants and President of the Institute of Chartered Accountants in England and Wales. He was elected President of the British Computer Society for its 40th anniversary year 1997–98. On retirement from C&L Jenkins joined the Board of the Woolwich Building Society becoming chairman in 1995. In 1997 the Woolwich demutualised and joined the FTSE 100 as Woolwich plc. In 2000 the Woolwich shareholders accepted an offer from Barclays and Jenkins spent his last years in business as Deputy Chairman of Barclays, retiring in 2004. During his career Jenkins served as a non-executive director of a number of organisations, including the Royal Ordnance Factories, Commission for the New Towns, Automobile Association, the Architectural Heritage Fund and London First. In 1995/1996 he was president and Chairman of the London Chamber of Commerce & Industry.
Civic career
Jenkins civic career started on his election as Alderman for the City of LondonWard of Cordwainer in 1980. He served as Sheriff of London in 1987/1988. Elected 664th Lord Mayor of the City in 1991 his Mayoralty was particularly concerned in the response to the bombing of the Baltic Exchange, the location of the future European Central Bank and the wider impact of the Single Market. Jenkins continued as an Alderman until 2004, chairing two aldermanic committees. During this period there were important changes to the election process for aldermen. Jenkins was also active in the livery and Master of three Companies, Chartered Accountants, Merchant Taylors and Information Technologists.
Charity Work
Jenkins was particularly involved with three charities - Charities Aid Foundation and the Order of St John and St John Ambulance. He became a Trustee of CAF in 1994 and was Chairman from 1998 to 2003. During his Chairmanship the Charity Bank was launched. His first involvement with CSV was as Chairman for its Silver Jubilee Appeal in 1987/1988 which raised £1M. For his Lord Mayor's Appeal, Jenkins chose a new CSV venture "Learning Together" whereby university students gave time in schools to help students understand universities better and encourage suitable pupils to apply. As his last major appointment, Jenkins was elected in 2004 Prior of the Order of St John and chairman of St John Ambulance, posts he held until final retirement in 2010.
