Winter succeeds Bob Law, former chief executive of Langdowns DFK, based in Hampshire, who had held the post for the last three years.
As chairman, Winter also becomes a member of the DFK International board of directors.
DFK UK & Ireland has 18 member firms operating from over 30 offices within major geographical centres in England, Scotland, Ireland, The Channel Isles and Isle of Man, providing a range of accounting, audit and taxation services for businesses and private clients.
Winter commented: “DFK UK & Ireland is in a strong position and we would like to add a few more firms in strategic areas that will strengthen our coverage. We would also like to leverage sector expertise so that every firm can benefit and share that knowledge with clients.”