Forum 9. Global Forum for Health Research. Mumbai, India. September 2005.

5th World Congress. International Health Economics Association. Barcelona, Spain. July 2005.

20th Annual Research Meeting. Academy Health. Nashville, USA. June 2003.

4th World Congress. International Health Economics Association/PAHO. San Francisco, USA. June 2003.

30th Annual Conference. Global Health Council. Washington, DC, USA. May 2003.

Forum on Sexual and Reproductive Rights in Health Care Reforms. Women´s Health Project. Cape Town, South Africa. April 2003.

International Conference on Priorities in Health Care, Ministry of Foreign Affairs, Oslo, Norway. September 2002.

II Conference for the International Society for Equity in Health, Pan-American Health Organization/University of Toronto, Toronto, Canada. June 2002.

3rd Annual Conference International, Health Economic Association, Pan American Health Organization/University of York. York. England. 2001.

1st Conference on Social Sectors in a Market Economy, Ibero-American Institute, University of Goettingen, Germany – Adenauer Foundation. August-September 1999.

1st Seminar on Latin-American Integration, Raúl Prebisch Foundation Scholarship Program. 1988.