Charles Drucker, the former CEO of Vantiv Inc. who became executive chairman and co-CEO of Worldpay (NYSE: WP) when the two companies merged earlier this year, will become the company's sole CEO when Philip Jansen leaves his role as co-CEO and a member of the company's board of directors on Dec. 31, 2018. Worldpay's Atlanta office is home to the majority of its US Worldpay group. "As planned, with the completion of the initial phase of the integration, now is the right time for the company...