Economist and MSc in Sociology from the Universidad Católica Argentina, Tristán also has a master’s degree in Communication companies management. Professor at the Social Communication’s Institute of the Universidad Católica Argentina and at the Communications College of the Universidad Austral. He is also a former Executive Director of the Christian Association of Companies Executives (ACDE). As a professional journalist, he worked at El Cronista Comercial, Clarín, Editorial Atlántida, was the Director of Negocios and Apertura magazines and currently is and editor and writer at Editorial Perfil.