Consultant at the World Bank and the Inter-American Center of Tax Administrations, for the wording of the Ecuadorian electronic tax regulation; Consultant at the Consejo Nacional de Telecomunicaciones CONATEL (National Council of Telecommunications), for the wording of the Ecuadorian Electronic Law Regulation; Co-author and coordinator of the Ecuadorian Law Project of Electronic Commerce. He also teaches electronic commerce law in the master degree, Competition Rights at the Universidad Andina Simon Bolivar, and at the doctor's degree level of the International University SEK and is President of the Ecuadorian Association of Informatics Law and Telecommunications. Barzallo also is a national and international lecturer at numerous seminars and courses on electronic commerce.