1988-1989. Escuela Cristiana Verbo. Lecturer in Socio Economic Studies for Baccalaureate and Normal students.

1989-1990. Public Relations Secretary of the political party Frente Republicano Guatemalteco (FRG) in the presidential campaign.

1990. Member of the Panel in the Forum "Education for Work", sponsored by the Association for Economic and Social Research (ASIES).

1991-1992. Administrative Adviser to five Congressional Committees and the Benches of the Frente Republicano Guatemalteco (FRG) in the Congress of the Republic of Guatemala.

1993. Lecturer in Hispano-American Literature, Philosophy, Morals and Ethics in the Escuela Cristiana Verbo.

1994. Executive Secretary on the Bench of the Frente Republicano Guatemalteco (FRG).

1995. Private Secretary to the President of the Congress of the Republic of Guatemala.

1996-1999. Deputy to the Congress of the Republic of Guatemala, elected on the National List for a term of 4 years.

1997. Lecturer invited to speak on subjects of current interest at the Center for Military Studies (CEM).

1998. Member of the Political Council and Executive Committee of the Frente Republicano Guatemalteco (FRG).

Lecturer invited by the University of San Carlos of Guatemala to speak on the Participation of Women in the Political Life of Guatemala for students of Political Sciences.

Zury Ríos-Montt de Weller has also participated as panelist in different conferences at government and non-government levels on the subjects of gender and sexual and reproductive health, not only in Guatemala but also in the rest of Central America and Europe.

Lecturer invited to speak on the subject of HIV-AIDS before the Health and Human Rights Committees of the National Legislative Assembly in Managua, Nicaragua.

1999-2003. Deputy to the Congress of the Republic of Guatemala, elected on the National List for a second term.

2000. Second Vice President of Congress. Member of the Foreign Affairs Committee.

2001. Second Vice President of the Congress of the Republic. Member of the Foreign Affairs Committee.

2002. Second Vice President of the Congress of the Republic. Member of the Foreign Affairs Committee.

2003. Second Vice President of the Congress of the Republic. Member of the Foreign Affairs Committee.

2004-2008. Elected for a third term to the Congress of the Republic. Vice President of the Foreign Affairs Committee. Member of the Health Committee.

2004. Vice President of the Foreing Affairs Committee. Member of the Health Committee.

2005.  Member of the Foreing Affairs.  Member of the Sports Committee.

2006. Member of the Accountability-Ethics Committee. Member of Social Welfare Committee.

2007. President of the Foreign Affairs Committee.

2007. Member of the Culture Committee.

2008. Third Secretary of the Steering Committee 2008-2009 of the Congress of the Republic.

2008. Member of the Foreign Affairs Committee. Member of the Extraordinary Committee for Support to Tax Collection.