Mr. Saha involves in development field for more than 26 years. Over the period he joins different International and National Nongovernmental organizations. About 16 years of he works as a members of senior management of the program/project as well as organization. During this long working period Mr. Saha involves in daily livelihood, food-security, agricultural development, WASH, poverty elimination, disaster management, relief and rehabilitation, women empowerment, skill development of youths and climate change and adaptation. Mr. Saha is an expert to lead big team, mentoring, supervision, decision making and conflict management. He is capacitated with successful implementation of different projects through effective collaboration among public, private and research organizations.