2010 Stanislav Smirnov "For the proof of conformal invariance of percolation and the planar Ising model in statistical physics" Cedric Villani "For his proofs of nonlinear Landau damping and convergence to equilibrium for the Boltzmann equation."
2014 Artur Avila "for his profound contributions to dynamical systems theory, which have changed the face of the field, using the powerful idea of renormalization as a unifying principle." Maryam Mirzakhani "for her outstanding contributions to the dynamics and geometry of Riemann surfaces and their moduli spaces."