sentences:  On June 15, 2015, the merger went ahead after 77 percent of Amcom shareholders voted in favour of the merger.In July 2015 the $1.2 billion merger between Amcom and Vocus was formally completed.On June 29, 2015, CEO Clive Stein resigned after a 16-year career with the company to make way for incoming Vocus CEO Spenceley to take over the combined group.