Is a senior expert on urban land at IHS (Institute for Housing and Urban Development Studies) Erasmus University at Rotterdam. He runs the MSc specialization on Urban Land Development, the research workshop on Land Value Capture instruments and the diploma course on Land Management and Informal Settlements Regularisation. He also lectures on finance, housing and urban spatial theories and he has supervised more than 30 master thesis related to urban land topics. He has given advice, been a speaker, and/or a lectured on land issues in Albania, Czech Republic, Dagestan, Georgia, Netherlands, USA, China, Saudi Arabia, Brazil, Chile, Argentina, Colombia, Mexico, Ecuador, Peru, Bolivia, Paraguay, Uruguay, Venezuela, Egypt, Ghana, Liberia, Nigeria, Ethiopia, Kenya, South Africa, El Salvador, Nicaragua, Costa Rica, Panama, Cuba and Guatemala. He held various posts in Mexican government including Sedesol/Sedue (federal secretary for housing and urban development) as director of land policies and instruments, were he was involved in a major legal and institutional reform reform and its implementation for land banking system for urban development expansion in multi land use, inclusive, self-financed large projects. He also worked for the Treasury of GDF (government of Mexico City) as director for cadaster policy involved in a major restructuring of various land and property taxes that boosted collection and made these taxes more equitable. He held various posts in public and private banks in Mexico including NAFIN (economic development bank) where he dealt with property commercialization and administration of the real estate assets held by the bank. He also worked for Banco Mexicano later Banco Santander (private banks) dealing with property valuation, housing mortgages, and loans for large urban developments. He also worked for BANOBRAS (development bank for local governments) dealing with financing urban services and infrastructure projects and designing and implementing a special programme on modernization of property tax and cadaster systems.He has been a visiting faculty member of LILP (Lincoln Institute of Land Policy) for 15 years working throughout Latin America mainly lecturing on land economics, land markets, land policies, land value capture, property taxation and informal land markets. For 22 years he was a lecturer on urban finance, land and housing at UNAM (National Autonomous University of Mexico at the undergraduate and post graduate levels. He graduated with honours as an architect at UNAM; he did his MPhil on urban design and regional planning, writing his thesis on territorial human behaviour at the University of Edinburgh, U.K., and he did a postgraduate diploma on local government finance at the University of Birmingham, UK.