sentences:  For nearly 20 years he worked there, with his career in ECLAC culminating in the position of Director of the Development Division, where he played a role in structuring and disseminating the thinking of ECLAC.Concurrently, he served as a professor in ECLAC and ILPES training programmes while at the same time teaching classes at the schools of economics and sociology at the University of Chile and the School of Economics at the University of Concepción, finally becoming the Director of the Institute of Economics of the University of Chile.He was the author of the economic platform of the Popular Unity (UP) campaign, and on November 3, 1970, he was named Minister of Economic Affairs by President Salvador Allende.