Jere Brown, Dimension Data's chief executive of the Americas, officially retired in October after a long career with the international system integrator. He first joined Dimension Data in 2004 as senior vice president of sales for North America. Two years later, he was named CEO of Dimension Data North America and, later, his responsibilities were expanded to all of the Americas. During his tenure, Brown helped the systems integrator expand its cloud services business and geographical reach. Mark Slaga, formerly COO of Dimension Data for the Americas, succeeded Brown as CEO.