Mark McClennon will join Burberry as global chief information officer at the end of this month, replacing Fumbi Chima.
McClennon has spent 29 years at consumer goods company Unilever, latterly as chief information officer for the consumer division.
He will continue in his role as non-executive director at Bonmarché, which he has held since April 2016.
Burberry has also appointed Judy Collinson as chief merchandising officer from Christian Dior, where she served as senior vice-president of merchandising for the US for five years.
She previously worked at Barneys New York for 22 years, rising to executive vice-president, general merchandising manager women’s.
Collinson will report initially to chief creative and chief executive Christopher Bailey and then to Marco Gobbetti when he becomes chief executive on 5 July.
She succeeds Paul Price, who will leave in July to pursue a new opportunity.