David M. Gordon brings 20 years of experience to the position.

The Italian quick-service chain introduces four entrees and two side dishes.

Moves include addition of John Mallon as v.p. of operations.

More than 350 million Doritos Locos Tacos have been sold since last year's launch.

Griddle Melt sandwiches are made-to-order omelets in three varieties.

Survey looks at annual reports and data from research firms to assess 21 restaurant chains.

Big Pizza Sliders include up to three toppings each.

Chip brand seeks same success of fast-food chain's Doritos Locos Tacos.

Operators remain optimistic about sales growth in months ahead

Sandwiches are served oven-toasted on a french roll, bagel, croissant, Texas toast or multigrain flatbread.