ATLANTA— Six Continents Hotels has named Isaac Collazo as its new vp/operations strategy and planning. Reporting to Six Continents Hotels COO Steve Porter, Collazo will be involved in establishing divisional and company objectives, developing long-range and strategic plans and creating industry-based performance benchmarks for the company. Prior to his appointment, Collazo was vp/strategic brand knowledge with Marriott International where he led their guest satisfaction program and competitive analysis group. Before that, Collazo served with Promus Hotel Corp.