She had previously been Minister of Finance from 1998 to 2002, under the government of Carlos Flores and President of the Central Bank during 2006–2007.
In the private sector she was Vice-President of Banco Atlántida and was a member of the board of directors of the Asociación de Instituciones Bancarias of Honduras.
[3] From 1985 to 1994 Nuñez was a Financial Analyst at the Central Bank of Honduras, and from 1993 to 1995, Technical Secretary of the Economic Cabinet, UDAPE.
The World Economic Forum awarded her the recognition of Global Leaders for Tomorrow.
[5] She was a professor at UNAH 1984–2000 and currently a faculty member of UNITEC since 2009. in July 2009, Nuñez accepted the responsibility of acting as Minister of Finance[2] She holds a very active leadership in her Liberal Party.