Professional affiliations (Membership) :
- General Secretary (2011-2013) & Life Member, The Association of Humboldt Fellows in Bangladesh.
- General Secretary (2011-2013) & Life Member, The JSPS Alumni Association,Bangladesh.
- Member, Japanese University Alumni Association, Bangladesh.
- Member, American Phytopathological Society (APS), USA.
- General Secretary, Society of Agricultural Chemistry and Environment, Dhaka, Bangladesh.
- Member, Japan Society for Bioscience, Biotechnology and Agrochemistry (JSBBA), Tokyo, Japan
- Member, International Allelopathy Society (IAS), India
- Member, International Organization for Biological and Integrated Control of Noxious Animals and Plants (IOBC), France
- Member, International Society for Development of Natural Products (ISDNP), Jamaica
- Member, Bangladesh Association for the Scientists and Scientific Professions (BASSP), Dhaka, Bangladesh
- Member, Bangladesh Association for the Advancement of Sciences (BAAS), Dhaka, Bangladesh
- Member, Bangladesh Krishibid Institution, Dhaka, Bangladesh
- Member, Asiatic Society Bangladesh
Administrative, academic and other position (leadership) :
- Director (Outreach), BSMRAU, Gazipur-1706, Bangladesh from August 15, 2012 to July 15, 2013.
- Member, Board of Governors (BOG, highest authority of BOU), Bangladesh Open University (BOU), 1997-1998.
- Member, Academic Council, BOU.
- Dean (in charge), School of Agriculture and Rural Development, BOU.
- Vice-President (elected), Shaheed Nazmul Ahsan Hall Sangsad (1991-92), BAU.
- General Secretary, Executive Committee of Bangladesh Open University Teachers Association (BOUTA), 1995-1996.
- Member, Bangladesh Federation of University Teachers Association in 1995-1996.
- Member, Executive Committee of BOUTA in 1996-1997, 2002-2003, 2010-2011.
- Head (July 2010 to July 2012), Department of Biotechnology, BSMRAU, Gazipur, Bangladesh.
- Member (July 2010 to date), Academic Council, BSMRAU, Gazipur, Bangladesh.
- Member (October 2010 to date),Executive Committee, School of Life Science,
- Shahjalal University of Science & Technology, Sylhet, Bangladesh.