Maryam Mirzakhani (born May 1977) is an Iranian mathematician working in the United States. Since 1 September 2008, she has served as a professor of mathematics at Stanford University.In 2014, Mirzakhani became both the first woman and the first Iranian honored with the Fields Medal for his outstanding contributions to the theory of stochastic partial differential equations, and in particular for the creation of a theory of regularity structures for such equations, the most prestigious award in mathematics.The award committee cited her work in understanding the symmetry of curved surfaces. Her research topics include Teichmüller theory, hyperbolic geometry, ergodic theory, and symplectic geometry.