Douglas Ulmer

Douglas Ulmer is an American mathematician who works in algebraic geometry and number theory. He is a professor and mathematics department head at the University of Arizona.

In 1987 Ulmer completed a PhD at Brown University, where his advisor was Benedict Hyman Gross; his thesis was on "The Arithmetic of Universal Elliptic Modular Curves".

Ulmer was a C. L. E. Moore instructor at the Massachusetts Institute of Technology in 1987. In 1997 he was among the founders of the Southwest Center for Arithmetic Geometry at the University of Arizona; he was one of eight investigators on an NSF-funded project to support mathematics education at the university.

In 2017 he was on the editorial board of the Journal de Théorie des Nombres de Bordeaux.