DENVER, CO—Sage Hospitality has named Steven Marx, chief operating officer of Sage Hotels. He reports to president/CEO Walter Isenberg. In his new role, Marx will be responsible for overall performance of Sages hotel portfolio including branded full sevice and extended-stay hotels; waterparks and the companys boutique independent hotel collection. Prior to joining Sage, Marx has run his own development and operating company Lifestyle Hospitality. He has also previously served as senior vp of W Hotels and led Kimptons Hotel Group.