The President of the Pennsylvania State University is the chief administrator of the Pennsylvania State University, serving as chief executive officer of the institution and an ex officio member of the 32-member Penn State Board of Trustees. Included in the list below are all Presidents of the Pennsylvania State University and its precursor institutions, from the first President Evan Pugh and through the current President, Eric J. Barron. There have been 18 Presidents of the Pennsylvania State University, not including three interregnum presidencies during university presidential transitions.