Mr.Hasan worked at CIRDAP (FAO) as Executive Assistant (Research). He has core research and projects experiences at several United Nation agencies and renowned international research organizations like ICDDR,B (Health Economics and Financing Unit), JPG School of Public Health as Research Assistant . TANGO international (Senior Research Assistant and Technical Assistant), Save the children and iDE funded projects by USAID. He started his career from Grameenphone .He has professional and technical expertise in climate change resilience, adaptation policy making, DRR, WASH, Project monitoring & evaluation work. He is also an “UNCTAD - UN Development Assistance Frameworks” certified by UNITAR. He received his Masters in Economics with concentration in Environmental Economics from University of Dhaka where he awarded the best research (Thesis) scholarship.