Lecturer, Institut Teknologi Sumatera

University of Leeds

Razi University

Cyprus University of Technology

Associate Professor at Sohar University

Professor of English Language Education, Seoul National University

Associate Professor of Linguistics & TESOL, University of Texas at Arlington

Nanyang Technological University, School of Electrical and Electronic Engineering

Res. Assist., Bartın University, Doctoral Student at METU

University at Albany, SUNY