·         Senior Actuary (P4). International Actuarial Service. Financial and Actuarial Branch of the Social Security Department of the ILO. Geneva, 1990 – 1994. Activities in the whole world.

·         Senior Social Security Expert (P5). ILO Multidisciplinary Team for Central America and Panama. 1994-1997. Activities in Mexico, Central America, Panama, Spanish and French speaking Caribbean. Also in charge of support activities on social security issues in the Andean countries, the Southern Cone and the English Speaking Caribbean.

·         Deputy Regional Director. ILO Regional Office for the Americas (D1). 1997 - 2000. Activities in Latin America and the Caribbean.

·         Policy and Research Coordinator (D2). Social Protection Sector. ILO. Geneva. 2000 - 2004. Activities in the whole world.

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·       Secretary General, Chief of the Studies and Operations Branch and Director of Partnerships. International Social Security Association (ISSA). 2005 – 2007

·       Chief. Education, Training and Capacity Building on Social Security. Social Security Department of the ILO (D2). Geneva. 2007-2012

·       Director Social Protection Department. Policy Portfolio (D2). ILO. Geneva. 2012-2013

·       Senior Actuarial Adviser to the Deputy Director-General for Policy (D2). 2013- 2014

·       Attaché for Social Protection Issues. Permanent Mission of Mexico to the United Nations Office and other international organizations in Geneva. 2014 – 2017

·       Senior Actuarial and Social Protection Consultant. Actuarial-i. 2014-

·       President. Association of Former International Civil Servants for Development (Greycells). 2016-