Professor, Department of Mechanical Engineering, University of Antioquia (Medellín, Colombia). Member of the Latin American Network for Research in Energy and Vehicles (RELIEVE). Mechanical Engineer from the University of Antioquia (Medellín). Doctor of Industrial Engineering from the Polytechnic University of Madrid (Spain). Over the past 20 years he has been dedicated to research and teaching in the field of the environmental impact of internal combustion engines. The last 5 years he has been dedicated to evaluating the impact of gaseous emissions and primary particulate matter on human health, as well as experimentally determining the emission factors of vehicles (from motorcycles to tractor-trailers) in Colombia.