The retail veteran has worked at Fenwick of Bond Street and Selfridges.
The denim company said the executive will remove himself from the firm’s day-to-day activities.
The Gap president is leaving after almost 15 years with the brand.
Brunschwig, who was previously Dior Homme chairman and ceo, will report to Antonio Belloni, LVMH Group managing director, succeeding Pietro Beccari, who is now chairman and ceo of Christian Dior Couture.
The luxury giant’s four-month program includes a contest for the luxury experience of the future.
Adam Brotman has a history of digital retail initiatives.
The label has named the Net-a-porter fashion director as its new svp of global brand marketing and communications.
The model followed up on claims made last week with a detailed account of a 2010 photoshoot for Guess.
The owner of Quiksilver is also putting chief financial officer Thomas Chambolle in charge of Europe, the Middle East and Africa.