Ivo Daalder, President, Chicago Council on Global Affairs ; Victor Mallet, Paris Bureau Chief, Financial Times

Michael Berkowitz, President, 100 Resilient Cities; Dr. Julie Morita, Commissioner, Chicago Department of Public Health; Kyra Woods, Lead Organizer, Ready for 100 Chicago, Sierra Club Illinois; Mike Tomas, Executive Director, Garfield Park Community Council

Evelyn Diaz, President, Heartland Alliance; Verónica González , Chief Resilience Officer, City of Juárez; Alberto Kopittke, Executive Director, Instituto Cidade Segura; Michael Nutter, Former Mayor, City of Philadelphia; Santiago Uribe, Chief Resilience Officer, City of Medellín

Akel Biltaji, Former Mayor, Greater Amman Municipality, Jordan; Henry Cisneros, Chairman, CityView; Claudia Gonzalez Romo, Chief of Advocacy, UNICEF; Khalid Koser, Executive Director, Global Community Engagement and Resilience Fund

Phillip Woolley, Partner, Manchester, Grant Thornton; Linda Jojo, Executive Vice President and CIO, United Airlines; Adriana Krnáčová, Mayor, City of Prague, Czech Republic; Gerald Lawless, Chairman, World Travel & Tourism Council; Head of Tourism and Hospitality, Dubai Holding; Steven Levitt, Professor of Economics, University of Chicago; And other participants

Richard Florida, Professor and Author of The New Urban Crisis; Mark Hoplamazian, President and CEO, Hyatt Hotels Corporation; Valerie Jarrett, Senior Advisor to President Barack Obama; Chair of the White House Council on Women and Girls; Denis Mizne, CEO, Lemann Foundation; Claudio Orrego, Governor, Metropolitan Region of Santiago, Chile

Brendan Carr, Lord Mayor, City of Dublin, Ireland; Jeanne Gang, Founder and Principal, Studio Gang Architects; Theaster Gates, Founder, Rebuild Foundation, Director, Arts and Public Life, University of Chicago; Mary Miss, Founder, City as a Living Laboratory; Artist in Residence, New York City Department of Design and Construction; Oussama Rifahi, Board Member, Arab Fund for Arts and Culture

Robert Doyle, Lord Mayor, City of Melbourne, Australia; Charles Montgomery, Founder and Principal, Happy City; Michael Nutter, Former Mayor, City of Philadelphia, Professor of Professional Practice, Columbia SIPA; Fernando Straface, Secretary General of Government, City of Buenos Aires; Jay Walder, CEO, Motivate

Carl Bildt, Former Prime Minister and Foreign Minister, Sweden; Helen Clark, Former Prime Minister of New Zealand; Former Administrator, United Nations Development Programme; Eduardo Paes, Former Mayor, Municipality of Rio de Janeiro, Brazil; John Tory, Mayor, City of Toronto, Canada; Martin Wolf, Chief Economics Commentator, Financial Times

Angela Foster-Rice, Managing Director, Environmental Affairs and Sustainability, United Airlines; Connie Hedegaard, Former EU Commissioner for Climate Action; Chairman, CONCITO and KR Foundation; Liu Thai-Ker, Senior Director, RSP Architects Planners & Engineers (Pte) Ltd.; Boris Palmer, Lord Mayor of Tübingen, Germany

Kara Bachman, Executive Director, Chicago Sports Commission; Lior Meyer, Director, Brand Marketing and Communications, Tel Aviv Global; Kasim Reed, Mayor of Atlanta, Georgia

Christiane Hajj, Executive Director, Fundación Centro Histórico; Executive Director, Violence Prevention Program, Carlos Slim Foundation; Robert Muggah, Nonresident Senior Fellow, Global Cities; Michael A. Nutter, Distinguished Fellow, Global Cities; Abi Williams, President, The Hague Institute for Global Justice

Mike Brown, MVO, Commissioner, Transport for London; Ginger S. Evans , Commissioner, Chicago Department of Aviation; Desmond Kuek, President and Group CEO, SMRT Corporation Ltd.; Thomas K. Wright, President, Regional Plan Association

Elizabeth Dozier, Managing Director, Chicago Beyond; Former Principal, Christian Fenger High School, Chicago; Claudio Orrego, Governor, Metropolitan Region of Santiago, Chile; Anne-Marie Slaughter, President and CEO, New America; ​Dorothee Stapelfeldt, Minister for Urban Development and Housing, Hamburg, Germany

Ricky Burdett, Director, LSE Cities; Peter Kudryavtsev, Founding Partner, Citymakers; LaMar Hasbrouck, MD, MPH, Executive Director, National Association of County and City Health Officials (NACCHO); Helle Søholt, Founding Partner & CEO, Gehl Architects ApS

François Bergere, Program Manager, Public Private Infrastructure Advisory Facility (PPIAF), The World Bank Group; Hanna Gronkiewicz-Waltz, Mayor of Warsaw, Poland; Umran S. Inan, President, Koç University; Dan Pelino, General Manager, Global Public Sector, IBM Corporation

Chan Heng Chee, Chairman, Lee Kuan Yew Centre for Innovative Cities, SUTD; Tessa Jowell, Member, House of Lords; Henry M. Paulson, Jr., Founder and Chairman, Paulson Institute; Former Secretary, US Treasury; Sukhumbhand Paribatra, Governor, City of Bangkok, Thailand

Madeleine K. Albright , Chair, Albright Stonebridge Group; former Secretary, US Department of State; Benjamin Barber, Senior Research Scholar, Center on Philanthropy and Civil Society at The Graduate Center, The City University of New York; Sir Malcolm Rifkind, Former Foreign Minister and former Secretary of State for Defence, United Kingdom; Jozias van Aartsen, Mayor of The Hague

Ajay Banga, President and CEO, MasterCard; Helen Clark, Administrator, UN Development Programme; Henry M. Paulson, Jr., Founder and Chairman, Paulson Institute; Robert E. Rubin, Cochairman, Council on Foreign Relations, and former US Treasury Secretary

Ajay Banga, President and CEO, MasterCard; Helen Clark, Administrator, UN Development Programme; Henry M. Paulson, Jr., Founder and Chairman, Paulson Institute; Robert E. Rubin, Cochairman, Council on Foreign Relations, and former US Treasury Secretary

Richard C. Longworth, Distinguished Fellow, Global Cities