Professional Membership

Editorial board.

Transactions on Combinatorics, July 2011-present

Member of the Graduate Committee.

Department of Mathematics, K.N.Toosi University of Technology, 2008-2010.

Senior Associate Researchers (Non-resident).

School of Mathematics- Institute for Research in Fundamental Science(IPM), 2009-2011.

Member of the American Mathematical Society.

2005-2011

Member of the Iranian Mathematical Society.

2002-Present

Member of the Research Council of the IASBS.

2003-2005.

Member of the Promotion Selecting Committee of the IASBS.

2003-2005

Member of the Promotion Selecting Committee of the IASBS.

2002-2005

Member of Research Group at Institute for Research in Fundamental Science (IPM).

1994-1998