Md.Mahmudul Hasan Chowdhury is founding Chief Executive Officer (CEO) of Consortium for Applied Research in Development -CONARID.Active Ambassador of ALGORAND Blockchain. He worked as a Chief Experience Officer of Tronlink and a young Blockchain Researcher. He worked at CIRDAP (FAO) as an Executive Assistant (Research). He has core research and project 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 a Research Assistant. TANGO International (Senior Research Assistant and Technical Assistant), Save the children, and iDE funded projects by USAID. He started his career with Grameenphone. He has professional and technical expertise in climate change resilience, adaptation policy-making, DRR, WASH, Project monitoring & evaluation work. He is also a “UNCTAD – UN Development Assistance Frameworks” certified by UNITAR. He received his Masters in Economics with a concentration in Environmental Economics from the University of Dhaka where he awarded the best research (Thesis) scholarship.