Workshop in Algebraic Geometry "Edge days", by Invitation (The University of Edinburgh, 2014)
International conference "Algebraic Geometry, Algebra and Number Theory", by Invitation (Steklov Institute of Mathematics, 2013)
Oberseminar of the Institute for Algebraic Geometry, by Invitation (University of Hannover, 2013)
Algebraic Geometry seminar, by Invitation (Steklov Institute of Mathematics, 2011)
International conference dedicated to the memory of V.A.Iskovskikh, by Invitation (Steklov Institute of Mathematics, 2009)
Seminar on Algebraic Geometry, by Invitation (Steklov Institute, Moscow, 2008)
Seminar on Mathematical Physics, by Invitation (Loughborough University, 2008)
Algebraic Geometry seminar, by Invitation (University of Cambridge, 2008)
International workshop on Higher Dimensional Algebraic Geometry, by Invitation (ICMS, Edinburgh, 2008)
International Algebraic conference dedicated to 100th birthday of A.G.Kurosh, by Invitation (Moscow State University, Department of Mathematics and Mechanics, 2008)
International conference "Analysis and Singularities" dedicated to VI Arnold, by Invitation (Steklov Institute, Moscow, 2007)
Workshop “Algebra, Geometry and Number Theory” , by Invitation (Steklov Institute of Mathematics, Moscow, 2006)
Algebraic Geometry seminar, by Invitation (University of Bayreuth, Germany, 2006)
Geometry seminar, by Invitation (University of Manchester, 2006)
International conference on Complex Geometry, by Invitation (Mathematisches Forschungsinstitut Oberwolfach, Germany, 2006)
International conference on Algebraic Geometry, Singularities and Knot Theory, by Invitation (University of Liverpool, 2006)
International Workshop ¿Birational Geometry, Derived Categories and Singularities¿, by Invitation (Steklov Institute of Mathematics, Moscow, 2005)
Professional Body Memberships
American Mathematical Society (Member, 1998 - present)
Moscow Mathematical society (Member, 1988 - present)