Dr. Mateu is an Associate Professor in the Academic Department of Economics and a Researcher in the Research Center at the University del Pacífico . He holds a Ph.D. in Evaluation and an M.Sc. in Applied Statistics from Western Michigan University (United States), and a Bachelor's Degree in Economics from the Universidad del Pacífico.

He has considerable research experience on education, health, and development issues and was assigned Scriven #2, which recognizes evaluator's level of collaboration with Dr. Scriven. More specifically, Dr. Mateu has focused on topics such as government effectiveness and the application of quantitative research methods such as meta-analysis and measurement theory in the field of evaluation. He has been a member of the American Evaluation Association (AEA), the European Evaluation Society (EES), and the American Public Health Association (APHA), a Critic for the journal Substance Use and Misuse, and an Associate Editor for the Journal MultiDisciplinary Evaluation.

Dr. Mateu has served as a Research Assistant in the Evaluation Center at WMU. He designed the impact evaluation component of the Poverty Reduction and Alleviation Project – Phase II within the Monitoring and Evaluation area of Chemonics International. He was an Economic Analyst at Maximixe Consult S.A. and a National Diagnostic assistant at World Vision International–Peru Branch. In parallel, he undertook consultancies for the US National Institute on Drug Abuse (NIDA), the National Research Center for Technical and Vocational Education (NRCCTE), the US Codex Alimentarius Agency, the National Science Foundation (NSF), the International Labour Organization (ILO), the International Development Research Center (IDRC), USAID, and others.

Areas of specialization
Design of evaluations (from the 23 existing approaches), application of quantitative meta-analysis research methods, application of measurement theory (both in the field of evaluation).