Columbia University in the City of New York
Postdoctoral Research Associate
Jahangirnagar University
Assistant Professor
City University of New York
Adjunct Lecturer
St. John's University
Teaching Assistant and Doctoral Fellow
Jahangirnagar University
Associate Professor
Jahangirnagar University
Professor
Forest Laboratories
Chemist
St. John's University
Postdoctoral Associate
Dhaka University
Saint John's University
