United States, Jan. 7 -- JLL, a leading global commercial real estate services firm, today announced key leadership changes as part of a planned transition within its Americas Leasing Advisory business. Michael Colacino has been appointed CEO Americas Leasing Advisory and John Gates will transition to Executive Chairman, Americas Leasing Advisory. The transition is effective January 15. As Executive Chairman, Gates will focus on building relationships with occupier clients, targeted broker recruitment, oversight of Mexico operations and providing strategic advisory across the platform. During his tenure as CEO, Gates strengthened JLL's presence across the Americas, expanded leasing capabilities in key markets and established the firm's indu...