Jesus Zamora Pierce has been a lawyer for more than 52 years, practicing criminal law in Mexico. He was president of the Barra Mexicana de Abogados (lawyer association in Mexico), President of the Academia Mexicana de Ciencias Penales (most prestigious legal science organization in Mexico), winner of the Premio Nacional de Jurisprudencia (national law award), has published tens of criminal law books in Mexico, and many of his books are mandatory texts in colleges and higher level education institutions in Mexico.