Just Eat founder Jitse Groen plans to step down as CEO effective January 1, replaced by Prosus Europe head Roberto Gandolfo; Groen founded Takeaway.com in 2000 (Sarah Jacob/Bloomberg)

Sarah Jacob / Bloomberg: Just Eat founder Jitse Groen plans to step down as CEO effective January 1, replaced by Prosus Europe head Roberto Gandolfo; Groen founded Takeaway.com in 2000  —  Just Eat Takeaway.com NV founder Jitse Groen will step down as chief executive officer of the food-delivery company and will be succeeded …