A number of big brands have gained new leadership this week, with J. Alexander's tapping a new CEO for the first time in more than 30 years and Restaurant Brands International's Popeyes hiring a new president. 

Check out the latest exec changes below:

March 11

Dunkin' Brands: David Mann has been appointed senior vice president and chief legal officer and will be replacing Rich Emmett, who is retiring as chief legal and human resources officer, according to a press release. Mann previously worked in various positions at Marriott International.

J. Alexander's: Mark Parkey, the company's current CFO, will become the restaurant chain’s first new CEO in more than three decades, according to Restaurant Business. Longtime-CEO Lonnie Stout will become executive chairman. Jessica Hager, currently the chief accounting officer, has been promoted to CFO. These executive changes will go into effect May 1.

March 13

Wingstop: Maurice Cooper is the company's new executive vice president and chief growth and experience officer, according to a press release. Cooper will maintain the responsibilities he had as CMO while overseeing end-to-end guest experience. He will also lead the brand's revenue-driving initiatives, such as the national scale of delivery and digital innovations. Additionally, Kevin Fish has been appointed senior vice president, digital. Fish, who has been at Wingstop for five years, will focus on Wingstop’s long-term vision of digitizing every transaction by enhancing the digital guest experience.

March 14

Restaurant Brands International: Popeyes' president Alexandre Santoro is transitioning into a new role at Restaurant Brands International focusing on supply chain business and international entries, according to an SEC filing. Felipe Athayde, who has served at various roles at RBI since 2011, will replace Santoro as brand president of Popeyes, Americas.