HBC sees Burstell engaged in bringing innovative concepts to all of its divisions.
A product and marketing executive at Yves Saint Laurent, he will take over Isabelle Guichot's role.
Andy Janowski and Samantha Cameron, creative consultant and Britain’s First Lady, hosted the party at the newly refurbished store on Bond Street.
Plans call for the 51-year-old fashion house to open about 15 directly operated stores and shops-in-shop a year, all under the new Saint Laurent banner.
In her capacity as BFC ambassador, Samantha Cameron thanked outgoing chairman Harold Tillman for his service.