Editor-in-chief of

 Banach J. Math. Anal. (ISI)

Reviewer for

European Math. Soc. (Zbl)

(A distinguished reviewer

selected by FIZ Karlsruhe

and European Math. Soc.)

American Math. Soc. (MR)

 Editor of

Math. Inequal. Appl. (ISI)

Bull. Malay. Math. Sci. Soc. (ISI)

Bull. Iranian Math. Soc. (ISI)

Australian J. Math. Anal. Appl.

Nonlinear Funct. Anal. Appl.

Involve, a journal of mathematics

Bull. Math. Anal. Appl.

J. Egyptian Math. Soc.

Int. J. Open Prob. Com. Sci. Math.

Letter of Philosophy  (in Persian)

Notices Iranian Math. Soc. (2004-2007)

Internat. J. Appl. Math. Stat. (2006-2007)

Referee for

J. Math. Anal. Appl. (ISI)

Linear Multilinear Alg. (ISI)

Proc. Royal. Soc. London- A (ISI)

Appl. Math. Lett. (ISI)

Acta Applicandae Math. (ISI)

Results in Math. (ISI)

J. Approx. Theory (ISI)

J. Differ. Equ. Appl. (ISI)

Abstr. Appl. Anal. (ISI)

J.  Inequal. Appl. (ISI)

Math Slovaca (ISI)

Fuzzy Sets and Systems (ISI)

Turkish J. Math (ISI)

Bull. Korean Math. Soc. (ISI)

Comput. Math. Appl. (ISI)

Fixed Point Theory Appl. (ISI)

Taiwanese J. Math. (ISI)

Math. Inequal. Appl. (ISI)

Iranian J. Sci. Tech. (ISI)

Iranian J. Fuzzy Syst. (ISI)

Bull. Iranian Math. Soc. (ISI)

Hacet. J. Math. Stat. (ISI)

Internat.  J. Phys. Sci. (ISI)

J. Sci. Is. Repub. Iran (ISI)

Aequationes Math.

J. Math. Inequal.

Australian J. Math. Anal. Appl.

Carpathian J. Math.

Mat. Vesnik

Thai J. Math.

Asian-European J. Math.

Tamsui Oxf. J. Math. Sci.

Open Oper. Res. J.

Internat. J. Appl. Math. Stat.

Iranian J. Math Sci. Inform

Albanian J. Math.

Int. J. Open Prob. Com. Sci. Math.

Nonlinear Funct. Anal. Appl.

Adv. Difference Equ.

J. Egyptian Math. Soc.

J. Ineq. Pure Appl. Math.

Director of

Center of Excellence in Analysis on Algebraic Structures

Founder of

Banach Math. Research Group

Member of

Iranian Math. Soc. (1983 - )

American  Math. Soc. (1991- )

London Math. Soc. (1999-2000)

Inter. Lin. Alg. Soc. (1999- )

Inter. Soc. of Differ. Eq. (2005- )

European Math. Soc. (2007- )

Research Group in Math. Ineq. Appl.

Research Group on Gen. Convex Anal.