Nature-based Solutions Consultant, Shell Eastern Petroleum Ltd. (Singapore)(November 2022 - April 2023):To assist in pre-feasibility assessment of potential carbon offset projects in Bangladesh.
Consultant, USAID Protibesh/ Ecosystems Activity(November 2022 - April 2023):To assist Arannayk Foundation (Dhaka) in Assessment of Nishorgo Network in Protected Areas of Bangladesh.
National (Bangladesh Implementation)Consultant, Nature-based Solution (January 2022 - November 2022): Asian Development Bank (ADB), Manila, Philippines.
NationalConsultant, Wetland and Biodiversity Conservation (May 2021- March 2022): United Nations Development Programme (UNDP), Bangladesh Country Office.
Events Committee Member, British Ecological Society (May 2021-): The oldest and largest ecological society in the world founded in 1913 in the United Kingdom.
Scientific Advisor, CredoSense Inc. (Ltd.)(March 2021-): A Bangladesh-Canada joint venture that strives to become a global leader in environmental sensor-logger systems by making intelligent and affordable monitoring solutions for scientific and industrial applications.
Review College Member,British Ecological Society (April 2020-): The oldest and largest ecological society in the world founded in 1913 in the United Kingdom.
Associate Editor, Sustainability(March 2020-): A journal published by the MDPI, Switzerland (IF- 3.25).
Associate Editor, Ecology and Evolution(March 2019-): A journal published by Wiley (IF- 2.91).
Section Editor,Life one Land, Encyclopedia of the UN Sustainable Development Goals (2019-2020): The largest publication project on UN SDGs from Springer, Switzerland.
Taskforce Member: Refugees and environmental crisis (part of Scientist’s warning to Humanity project hosted by Oregon State University, USA).
Scientific Committee Member and Organiser(February, 2019): International Conference – 'Forest and Landscape Restoration: Making it happen' held in New World Makati Hotel, Manila, Philippines.
Steering Committee Member (Forests & Biodiversity),International Centre for Climate Change and Development (ICCCAD) (2018): Monitoring Environmental Changes in Cox’s Bazar following the Rohingya Influx (a project of the International Organization for Migration, IOM). Associate Editor, Small-scale Forestry(March 2017-): A journal published by the Springer Netherlands (IF- 1.78).
Associate Editor, Journal of Applied Ecology(January 2017): A British Ecological Society journal published by Wiley (IF- 6.53).
Assistant Professor, Independent University, Bangladesh(January 2017 - August 2019): Full time faculty position in the Department of Environmental Management, School of Environmental Science & Management, Independent University, Bangladesh.
Staff Consultant, The World Bank Group, USA (October 2015 - October 2016): Part timeconsultant position with The World Bank's Environment and Natural Resources Global Practice (ENR GP) program.
Reviewer, World Bank Conference on Land and Poverty (2014 & 2015): Annual World Bank Conference on Land and Poverty held in Washington DC, USA.
Reviewer, Intergovernmental Panel on Climate Change (IPCC): IPCC Fifth Assessment Report (Working Group II: Impact, adaptation & vulnerability; with Netherlands Environmental Assessment Agency on 2013).
Co-Founder and Executive Director, Centre for Research on Land-use Sustainability(2008-): A global platform for research and consultancy on tropical land-use under changing climate and human pressure.
Technical Committee Member (2011 & 2012): International Conference - 'Environmental Aspects of Bangladesh' held annually in Fukuoka, Japan.
Graduate Research Coordinator (September 2007- April 2009):Towards several doctoral research projects for University of Bayreuth, Germany; Shinshu University, Japan and Swedish University of Agricultural Sciences.
Research Fellow, East-West Center (Honolulu, Hawaii) and Nishorgo Support Project (NSP) (January 2006 - August 2006): Project onProtected Areas and Rural Livelihoods by the Bangladesh Forest Department.