Manjarrez is a Mexican cartoonist who started his career in 1996. He has worked for magazines and newspapers such as : El Financiero, Unomásuno, El Día, La Jornada, Reforma and El Universal, Rolling Stone, Playboy, emeequis, La MOSCA en la pared, Código Topo, etc. He is currently publishing for El Heraldo de México and La Jornada.
From 2014 to 2015, he was the director of Cartonclub, an agency that brings together the most prestigious cartoonists in Latin America. In 2015, he was also the director and creator of the first Cartoon Congress in Mexico. He is currently head of the Cartoon Museum.