Dr. Hossain served in additional responsibilities
- Director, Institutional Quality Assurance Cell (IQAC), GAU
- Additional Director, Institutional Quality Assurance Cell (IQAC), GAU
- Served as Head of the Department of Plant Pathology
- Served as a member of the Monitoring and Observation Committee of the Planning and Development Wing
- Served as Associate Executive Editor in Annals of Bangladesh Agriculture.
- Served as a Member of the Editorial Board in the GAU Newsletter.
- Served as Assistant Provost, Shahid Tajuddin Hall, GAU, Gazipur, for 3 years
- Served as Convenor of the Beautification and Cleaning Committee of GAU