Iris Tien, assistant professor, School of Civil and Environmental Engineering; Nancey Green Leigh, associate dean for research, College of Design and professor, City & Regional Planning; Jason O’Rourke, vice president of public policy and federal affairs, Georgia Chamber of Commerce (moderator); John Avery, director, Advanced Technology Development Center; Michael Watson, senior advisor, AARP Mayoral Engagement & Livable Communities; Sarah Kirsch, executive director, Urban Land Institute Atlanta (Photo: Branden Camp, GTRI)