- InterAmerican Development Bank (2000)
- Environmental Impact Assessment for project on Argentina’s National Road Corridors and Regional Integration
- Ministry of Development of Colombia (2000)
- Strategic Environmental Assessment Water Supply and Sanitation Sector
- UNDP (2000)
- Strategic Environmental Assessment of Colombia’s Energy Sector.
- Ministry of Planning and Economic Policy Republic of Panamá UNDP (1998-1999)
- Coordination of environmental management plan for Panamá’s electric power generation, facilities transmission and distribution and Panamá’s water and sewerage utilities
- Panama’s Environmental Authority Dames and Moore (1999)
- Design of institutional strengthening program
- ANDE’s Foundation- US AID Dames and Moore (1999)
- Design of environmental policies in cleaner production
- Ministry of Planning and Economic Policy Republic of Panamá Dames and Moore (1998-1999)
- Institutional analysis for cargo transportation sector in Panamá
- Cavelier and Associates Law Firm (1996-1998)
- Expert witness in environmental management of quarry mines in Tabio and Yumbo
- Yacyreta Binational Company (Republics of Argentina and Paraguay (1998)
- Environmental impact analysis of the Parana’s river Ana Cua branch hydroelectric production
- Bogota Water and Sewerage Utility (1997-1998)
- Design of environmental management system for Bogotá’s water and sewerage utility
- Ministry of Housing of Panama Dames and Moore (1997-1998)
- Formulation of strategic environmental assessment of Panama’s Metropolitan Area Development Plan, design of environmental policies in environmental management and design of institutional strengthening program.
- Department of National Planning Republic of Colombia UNDP (1997-1998)
- Appraisal of Colombia’s environmental licenses program and design of environmental assessment policies.
- Ministry of Environment Republic of Colombia (1997)
- Analysis of Colombia’s municipal solid waste collection and disposal policies
- Ministry of Economy of the Republic of Argentina (1997)
- Formulation of strategic environmental assessment of water supply and sewerage sector and design of environmental policies in cleaner production and waste management.
- OCENSA- British Petroleum (1996)
- Preparation of environmental impact statement of the electric transmission line Chinú- Coveñas.
- Yacyreta Binational Company (Republics of Argentina and Paraguay (1996)
- Sixth environmental assessment panel of the Yacyreta 3500 MW Hidroelectric project (1996)
- Ministry of Environment of the Republic of Colombia (1996)
- Design of monitoring policies in cleaner production, pollution control and waste management
- Ministry of Public Works Repúblic of Panamá (1995-1996)
- Technical assistance in environmental planning and management of road infrastructure
- OCENSA- British Petroleum (1996)
- Study of environmental impacts of the electric transmission line Chinú- Coveñas
- Friedrich Ebhert Foundation (1995)
- Analysis of clean production and energy efficiency techniques to control environmental degradation
- Corporacion Andina de Fomento -Optima Tech. Services. (1993-1994)
- Analysys of environmental impacts of road projects in the Republic of Ecuador
- Corporacion Andina de Fomento.- Optima Tech. Services (1993-94)
- Analysis of environmental impacts of Urrá hydroelectric project and electricity transmission line Urrá-San Carlos
- Hidroestudios-J. Carrizosa Asscs. (1992-1993)
- Analysis of environmental impacts of La Miel hydroelectric project and electricity transmission line La Miel-Dorada
- United Nations Development Program National Department of Planning Colombia (1991-1994)
- Project Director : study of diagnosis and control of industrial pollution in Colombia.. Formulation for the management of solid, toxic and wastewater discharged by the manufacturing industry in Colombia
- Fedesarrollo (colombian think tank) (1990-1991).
- Development analysis for Colombia hydrocarbon resources. Study of polices in the technological, exploration, production, environmental protection, transportation and hydrocarbons refining areas. Assessment of potential impacts and greenhouse emissions in Colombia
- Andean Countries Development Bank (1991)
- Guidelines for the formulation of the Andean Environmental Plan.
- Coordination and assistance to Andean Countries (Venezuela, Colombia, Peru, Ecuador and Bolivia) in the international and scientific forums and negotiation processes related to the United Nations Conference on Environment and Development (UNCED).
- Guidelines for the formulation of the Andean Action Plan for policies to mitigate climate change.
- Participation in the analysis of potential options to abate the increase in greenhouse gas emissions and enhance removals by sinks
