James Wormall, who has been working in the private sales department of the London-based wine merchantís since 2002, will take over as head of the department from James Radcliffe on April 1.
Radcliffe, who has been with the company for 34 years, is stepping aside to spend more time with his family, but will remain chairman.
The private sales department will also see Matthew Edwards promoted to associate director on the same date.
Charles Boyd, head of restaurant and hotels team within Laytons, Jeroboamís trade business, will become a main board director and Peter Mitchell MW, who joined the company from Michael Morgan in 2001, will also become an associate director.
There are eight Jeroboams shops in central London which sell wine, Champagne and fine foods. The group also comprises Mr Christianís delicatessen in Notting Hill and whisky specialist Milroyís of Soho. In 1999 it merged with Laytons Wine Merchants which remains responsible for the wholesale side of the business.