Between 1976 and 1990, he was Founder, Executive Director and President of the Latin American Institute of Transnational Studies (ILET), during which time he undertook a number of studies on trade union and social movements in Mexico City and Santiago.
1976年至1990年，他是拉丁美洲跨國研究所（ILET）的創始人、執行董事和研究總裁，在此期間，他在墨西哥城和聖地牙哥進行了一些關於工會和社會運動的研究。