Perla Carvalho is the Special Adviser for Security, Disarmament and Non Proliferation Issues at the Mexican Ministry of Foreign Affairs (MFA). Previously she was the Representative of the MFA in the State of Chiapas, Mexico, and Secretary General a.i. of the Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean. She also served as Ambassador to Uruguay and Diplomatic Adviser of the Presidency of Mexico, amongst other positions. While serving as Alternate Representative at the Conference on Disarmament (1989-1996), Ambassador Carvalho participated in the negotiations for the CTBT.