You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
University_of_Chicago

Context:
The University of Chicago is governed by a board of trustees. The Board of Trustees oversees the long-term development and plans of the university and manages fundraising efforts, and is composed of 50 members including the university President. Directly beneath the President are the Provost, fourteen Vice Presidents (including the Chief Financial Officer, Chief Investment Officer, and Dean of Students of the university), the Directors of Argonne National Laboratory and Fermilab, the Secretary of the university, and the Student Ombudsperson. As of August 2009[update], the Chairman of the Board of Trustees is Andrew Alper, and the President of the university is Robert Zimmer. In December 2013 it was announced that the Director of Argonne National Laboratory, Eric Isaacs, would become Provost. Isaacs was replaced as Provost in March 2016 by Daniel Diermeier. 

Question:
Who runs the University of Chicago?

a board of trustees