1980

B.Sc. in Mathematics from the Department of Mathematics, Faculty of Positive Sciences, University of Patras, Greece.

1981

Research Assistant, Democritus University of Thrace, Faculty of Engineering, Department of Civil Engineering (Section of Mathematics).

1991

Ph.D. Thesis from the Section of Mathematics, Department of Civil Engineering, Faculty of Engineering, Democritus University of Thrace, Xanthi, Greece. Ph. D. Thesis Title: “Contribution to the study of Hyperrings”.

1991

Lecturer in the Section of Mathematics, Department of Civil Engineering, Faculty of Engineering, Democritus University of Thrace, Xanthi, Greece.

1996

Assistant Professor of Algebra (Algebraic structures equipped with multivalued operations) in the Department of Civil Engineering, Faculty of Engineering, Democritus University of Thrace, Xanthi, Greece.

2000

Assistant Professor of Algebra (Algebraic structures equipped with multivalued operations) in the Department of Agricultural Development, Democritus University of Thrace, Orestiada, Greece.

2002

Associate Professor of Algebra (Algebraic structures equipped with multivalued operations) in the Department of Agricultural Development, Democritus University of Thrace, Orestiada, Greece.

2005

Associate Professor of Algebra (Algebraic structures equipped with multivalued operations) in the Department of Production Engineering and Management, Democritus University of Thrace, Xanthi, Greece.

2008

Professor of Algebraic Hyperstructures and Computational Mathematics in the Department of Production Engineering and Management, Faculty of Engineering, Democritus University of Thrace, Xanthi, Greece.

2007 - 2009 and 2010 - 2012

Cooperating Professor in the Department of Mathematics and Computer Science of the Greek Open University, Greece.