Los Angeles, CA, 2016-Jun-13 — /EPR Retail News/ — CBRE Group, Inc. (NYSE:CBG) today announced several executive leadership promotions designed to further strengthen its senior management team, drive the company’s strategy and sustain its growth. Jack Durburg has been promoted to CEO, the Americas, reporting to Cal Frese, Global Group President, Geographies.  Mr. Durburg has led CBRE’s…