US fastfood chain Wendy's International has said it has appointed executive vice president Kathie Chesnut to an enterprise role focusing on food trends, consumer insights and new concepts.

She will focus on Wendy's, Baja Fresh Mexican Grill, and Cafe Express and will continue to report to chairman and chief executive officer Jack Schuessler.

The company also announced that vice president of research and development, Lori Estrada, will lead Wendy's brand research and development. She will report directly to Wendy's president and chief operating officer, Tom Mueller. Estrada and her team will focus on the execution of Wendy's comprehensive menu strategy as well as product and process innovation.

The company said the changes will strengthen its ability to innovate and execute in the new product development areas.