Husband will join the business next month having most recently held the position of managing director at the Rank Group, where she joined as national director of operations in 2017.
Previous roles have also included spending 15 years at Travelodge.
She will oversee the business that comprises 75 sites primarily under the Frankie & Benny’s and Chiquito brands.
“Debbie is an outstanding operator and I’m delighted that she has decided to join at an exciting time for our business. We’re looking forward to welcoming her to the Big Table team," says the group.
James Pidduck, who is finance director at Bella Italia has been named finance director for the leisure division.
The appointments follow the change in ownership of the business earlier this month with previous owner The Restaurant Group paying £7.5m to Big Table Group to take on the business.