The scientific work of Professor Saiz Alvarez has happened in the field of work market, goods and services outsourcing, entrepreneurship and family companies, having made more than 200 publications among monographies and academic articles, both as author and co-author, presented in international congresses and published in world-renowned publishing houses, such as Aranzadi-Thomson Reuters, Cambridge University Press, IGI Global, LID, Nova Science, Palgrave-MacMillan, Routledge-Taylor & Francis and Springer, as well as in academic journals, such as Journal of Organizational Change Management, Journal of Innovation & Knowledge, Strategic Change: Briefings in Entrepreneurial Finance, International Journal of Artificial Intelligence and Interactive Multimedia, Journal of World Economy, Industrial Economy, Spanish Economy Papers, and CIRIEC-Spain. Journal of Public, Social, and Cooperative Economics. Also, he is a member of the editorial board of Cambridge Scholars Publishing, co-editor of TAKAY journal. Bolivian Journal for Development and member of scientific committees of arbitrated and indexed journals of Europe, Americas, and Asia.
In his professional stage, he has been Deputy to the Director of International Sales in Sogepaq International, a company of Prisa Group, and president of Ediciones FIEC, tax and financial advisor of several family companies and freelance stock investor. He has also been a regular collaborator in Grupo Gestiona Radio (Spain) and has participated in professional journals, newspapers, and television in different countries in the world.
In Mexico, he is part of the team of Global Entrepreneurship Monitor (GEM) Jalisco. Professor Saiz Alvarez holds an award diploma granted by the Chamber of Representatives of the Associate Free State Capitol of Puerto Rico, he was granted an honor diploma by the University Valahia of Targoviste (Roumania) and he is member of the International Advisory Committee of the BOSTAN Social Innovation Institute (Turkey) and the Consulting Academic Commission of the Postgraduate System of the Catholic University of Santiago de Guayaquil (Ecuador). He is officially certified in Spain by the National Agency of Quality Assessment and Certification (ANECA, by its acronym in Spanish) and he is member of the Academy of Strategic Management, European Association of Labour Economists, European Economic Association, Society of World Economics and Latin American Studies Association. Likewise, he also helps NGOs in different countries to fight poverty and social inequality, KIVA, among them.
In addition to his teaching activities in EGADE Business School as well as in the Entrepreneurship Institute “Eugenio Garza Lagüera,” Professor Saiz is a guest professor in the Catholic University of Santiago de Guayaquil (Ecuador) and the Royal and Pontifical Major University of Saint Francis Xavier of Chuquisaca (Bolivia). He has occupied academic and managerial positions in institutions such as the University Antonio de Nebrija and the Pontifical University of Salamanca, among others.