Jaime Ruiz de Santiago (1946-). Mexican lawyer, philosopher and theologist. He studied at Universidad Iberoamericana, in Mexico; at the Catholic Institute in Paris, France; at the Autonomous University of Madrid, in Spain; at the International Institute of Human Rights in Strasbourg, in France, and at Georgetown University in Washington, in the United States.

His research currently focuses on the use of big data to calibrate structural economic models and explain the processes of price formation as well as other financial and economic processes. He is a former Economic Researcher from the Mexican Central Bank, where he specialized in trade infrastructure, prices, regional economies and urban economics. He holds a Bachelor's Degree in both Economics and Applied Mathematics from ITAM, and a Masters and PhD in Economics from The University of Chicago, where he taught courses in Banking and International Finance.