Papa John's brought on a new CEO, a year after its fallout with founder John Schnatter, while Arby's promoted a new president. Blaze Pizza is searching for a new CEO, but appointed an interim chief in the meantime. These moves could dramatically impact the future of these companies. 

Check out these and other recent executive changes below:

Aug. 29

Tender Greens: The company promoted Jack Oh to chief marketing officer from vice president of the 30-unit fast casual chain, according to Nation's Restaurant News. Oh joined the chain in 2018 after serving as senior director of branding communications for Adidas. He also has worked in branding and marketing positions at Activision, Microsoft, Riot Games and CAA. 

Aug. 28

Potbelly:  David Head has joined the board of directors, according to a press release. He brings more than 40 years of executive leadership from fine dining, casual, fast casual and QSRs. He currently serves as CEO and chairman at Primanti Brothers and has also served as CEO of O'Charley's, Captain D's, Romacorp and Houlihan's Restaurant Group. He has also been on the boards of Bob Evans, O'Charley's, Captain D's/Sagittarius Brands and Imvescor. 

Pie Five: Scott Black has been named vice president of operations, where he will work with executive leadership to create an operations structure that helps drive growth, impactful training programs and communication among franchisees, according to a press release. He brings over 30 years of experience in the food industry with positions at Noodles & Company, Garbanzo Mediterranean Pizza, &Pizza, Naked Pizza, LYFE Kitchen and Bobby's Burger Palace. He began his career at Nick-N-Willy's Take-N-Bake Pizza, where he worked his way up to CEO within 10 years. 

Aug. 27

Blaze Pizza: Amanda "Mandy" Shaw has been named interim CEO, following the retirement of Jim Mizes from his positions as CEO and president, according to Nation's Restaurant News. Mizes had been with the company since 2013, becoming CEO in 2017. Shaw has been with the company since 2018, when she was appointed chief financial officer. Previously, she held several roles at Bloomin' Brands.

Arby's: Jim Taylor, formerly Arby's chief marketing officer, has been promoted to president following the departure of Rob Lynch, according to a press release. In addition to his role as CMO, Taylor also served as SVP of brand advertising and SVP of product development and innovation at the company. Prior to joining Arby's, Taylor served in several positions at Darden Restaurants. He began his career at P&G, where he served in various finance and marketing roles for 15 years.

Papa John's: Former Arby's President Rob Lynch was hired as president and CEO, replacing Steve Ritchie. Lynch has 20 years of experience with QSRs and consumer packaged companies, including Taco Bell, HJ Heinz Company and Procter & Gamble. Lynch joined Arby's in 2013 as CMO and brand president, according to LinkedIn. He created the "We Have the Meats" campaign and also rebuilt strong franchisor/franchisee relations as president of Arby's Franchisee Association, according to a press release.