After his first degree in Economics at Universidad de la República, he obtained an MSc and a PhD in Economics from University of Siena (Italy). In Uruguay, Gabriel has worked as an economic advisor to the government, the National Trade Union Centre and the National Association of Producer Cooperatives. He was awarded the Horvat-Vanek prize by the International Association for the Economics of Participation for research on labour-managed firms. His research has appeared in the Industrial and Labor Relations Review, the Journal of Comparative Economics and Economic Systems.