Education: Doctor of Mathematics (Habilitation), Moscow State University, 2007, Moscow, Russia. Research Interests: homogenization of boundary — value problems for elliptic equations in domains with concentrated masses; asymptotic methods; spectral analysis; and functional analysis. Ph.D., Mathematics, Moscow State University, 1992, Moscow, Russia. Thesis Advisor— Academician (real member of RAS) Professor Olga A. Oleinik. Research Interests: homogenization of boundary — value problems for elliptic equations with rapidly alternating boundary conditions; asymptotic methods; and spectral analysis. MS, Mathematics, Moscow State University, 1990. B.Sc., Mathematics, Moscow State University, 1988. Professional career (Appointments / Affiliations): Full professor, 2010–present, Moscow State University, Faculty of Mechanics and Mathematics, Department of Differential Equations. Associate professor, 1999–2010, Moscow State University, Faculty of Mechanics and Mathematics, Department of Differential Equations. Assistant professor, 1991–1999, Moscow State University, Faculty of Mechanics and Mathematics, Department of Differential Equations. Teaching assistant, 1988–1991, Moscow State University, Faculty of Mechanics and Mathematics, Department of Differential Equations. Graduate work, 1988–1991, Moscow State University, Department of Differential Equations, Scientific Advisor—Professor Olga A. Oleinik.