(Bloomberg) — David Simon, the chairman and chief executive officer of US shopping mall heavyweight Simon Property Group (SPG), died of cancer. He was 64. Simon joined family-owned Melvin Simon & Associates as chief financial officer in 1990 and steered the firm through a public listing three years later, according to a company statement. He took over as CEO in 1995 at 33. Since then, Simon has amassed an empire of 250 properties across North America, Europe and Asia, including top-tier malls such as Ki ...