Business Trends: Refining margin time series evaluation

Rafael Larraz is the Director of CEPSA Corporate Engineering and the Coordinator of the Oil Section at the Spanish Institute of Energy. Dr. Larraz Rafael holds an MS degree in environmental engineering from the University of Las Palmas de Gran Canaria in Spain, an Executive MBA from the IESE Business School of the University of Navarra, and a PhD in chemical engineering from the University of La Laguna in Spain.