History Faculty
![Robert Ansiaux, Ph.D., J.D.](/academics/ud-faculty/directory/images/Ansiaux.jpg)
Robert Ansiaux Ph.D., J.D.
Adjunct Professor, History
Email: ransiaux@udallas.edu
Office: Braniff Graduate Building #230
![William Atto, Ph.D.](/academics/ud-faculty/directory/images/Atto-William.jpg)
William Atto Ph.D.
Department Chair, Associate Professor, History
![Kelly Gibson, Ph.D.](/academics/ud-faculty/directory/images/Gibson-K.jpg)
Kelly Gibson Ph.D.
Associate Professor, History
![Susan Hanssen, Ph.D.](/academics/programs/history/_images_new/hanssen-susan-200w.png)
Susan Hanssen Ph.D.
Associate Professor, History
![Peter Hatlie, Ph.D.](/academics/ud-faculty/directory/images/hatlie-peter.jpg)
![Jon Paul Heyne, Ph.D](/academics/programs/history/_images_new/Heyne-JP.jpg)
Jon Paul Heyne Ph.D.
Assistant Professor, History
![Placeholder Photo](/academics/ud-faculty/directory/images/Jodziewicz-Thomas.jpg)
![Mark Petersen, Ph.D.](/academics/ud-faculty/directory/images/Petersen-Mark.jpg)
Mark Petersen Ph.D.
Associate Professor of History, Director of Latin American Studies
![Charles Sullivan, Ph.D.](/academics/ud-faculty/directory/images/Sullivan-C.jpg)
Charles Sullivan Ph.D.
Associate Professor, History