NEW YORK: Former Citigroup executive Jon Diat has joined AIG as VP of external communications.

Diat started in the role October 29. He is responsible for global external communications efforts at the insurance company, including media relations, financial communications, and social media.

Diat is also serving as AIG's primary spokesperson, developing a corporate media and financial relations strategy, and providing media counsel for senior management. He oversees the company's corporate, business, and regional media teams and reports to SVP of ...