The co-founders will, however, remain fully involved in the business.
GDK has launched 13 restaurants and created 500 jobs this year.
Having launched in Milton Keynes last week, they opened in Cookstown N. Ireland yesterday.
Inspired by American BBQ Pitmasters, they do Wagyu burgers and more.
Nominees: Balans, E. Mono, Etles, Last Stop Kebab, & Gokyuzu.
That's 'Original Gourmet' Burgers and that's 50% off their opening weekend.
This year's virtual ceremony recognised the industry's unsung heroes.
Nominees: Balans, Flesh & Buns, The Lebanese Bakery, Ramo Ramen.
Having humbly started out in 1979, they're now ready to step up.