An 83-Year-Old Pizza Tycoon Fights to Save 3,500 Domino’s (3)

Billionaire Jack Cowin built a fast-food empire by bringing fried chicken to 1960s Australia.

Now, at 83, he’s back to attempt a turnaround of the biggest Domino’s Pizza franchisee outside the US.

Cowin is the largest shareholder of Sydney-listed Domino’s Pizza Enterprises Ltd., which has more than 3,500 stores from Australia to Europe. The stock has plunged 91% from its peak four years ago as rising costs and competition eroded its market share. The US-listed Domino’s Pizza Inc. has slid just about 10% over the same period.

The octogenarian has much to gain from reviving the pizza chain. His ...