McGill University

The National university of Malaysia

Raiganj University, ASSISTANT PROFESSOR IN BOTANY

Chemical petroleum technogist

University of Sydney

Faculty of medical technology - Wadi Alshatti University

Medical Laboratories Department/ Faculty of Engineering and technology/ Sebha University

Kyungpook National University

Raw material research and development, Ministry of science and development

Raw material investigation and development, Ministry of Science and Technology Umuahia