Convergys changes: Jeff Fox to become executive chairman in Q4; non-executive...

Convergys changes: Jeff Fox to become executive chairman in Q4; non-executive chairman Phil Odeen to be regular director; Andrea Ayers promoted to replace Fox as president and CEO; Chief Financial Officer Earl Shanks to leave in Q3; Andre Valentine promoted to replace him … Patrick Ross, ex-Copyright Alliance and ex-Warren Communications News, hired by U.S. Patent & Trademark Office as deputy chief communications officer and acting communications chief … Frontier Communications promotes Tressa Bader to general manager for California … GlobeCast Americas hires Eddie Ferraro, ex-United Service Source, as North American head of sales … mDialog addressable TV ad firm hires Jeff Clark, ex-CBS Interactive, as chief revenue officer … Signiant media and entertainment file software company hires Michael Burnie, ex-EMC Corp., as managing director of Asia-Pacific operations.