Stuart Machin is Chief Executive of Marks & Spencer Group, having taken the top role in 2022 alongside Katie Bickerstaffe in an initial co-CEO arrangement before assuming sole CEO responsibility. He joined M&S in 2018 as Managing Director of Food, where he oversaw a significant recovery in the retailer's food business. Earlier in his career he held senior retail operations roles at Asda and Tesco, building broad experience across grocery and general merchandise. Since becoming CEO, Machin has been a central figure in M&S's wider commercial turnaround, which has seen the business return to the FTSE 100 and report notably improved financial results across both its Food and Clothing & Home divisions.