Donald Brydon CBE is a British businessman and Chairman of the Royal Mail, Sage Group and the Medical Research Council and Patron of The British Postal Museum & Archive.He was previously Chairman of Smiths Group, the London Metal Exchange, Amersham plc, Taylor Nelson Sofres, ifs School of Finance and EveryChild and a past Director of Allied Domecq and Scottish Power.Brydon went to George Watson's College, before studying at the University of Edinburgh and graduating in Mathematical Science in 1967.