former World Bank Highways Adviser, is an international consultant on roads and transport infrastructure. His main expertise is in public-private partnerships, road management and development, performance-based contracts, improving governance, quality assurance and evaluation, research, teaching and training.

Between 1986 and 2006, he held several positions with the World Bank, including Lead Highway Engineer and Principal Highway Engineer. Prior to joining the World Bank, Dr. Queiroz was deputy director of the Brazilian Road Research Institute in Rio de Janeiro. Cesar has published two books and more than 140 papers and articles.

His work experience includes countries such as Russia, Brazil, Latvia, Lithuania, Poland, Ukraine, Philippines, Uganda, US, UK, Sri Lanka, India, China, Egypt, Colombia, Laos, Mozambique, Saudi Arabia, Tunisia, Sweden and Norway. He holds a Ph.D. in civil engineering from the University of Texas at Austin, a M.Sc. in production engineering from the Federal University of Rio de Janeiro, and a B.Sc. in civil engineering from the Federal University of Juiz de Fora, Brazil. He is currently a visiting professor at the University of Belgrade, Serbia, and has lectured on private participation in infrastructure at George Washington University (since 1996) and International Law Institute (since 2007), and serves as senior adviser to Claret Consulting in Washington, D.C.