Bachelor's in Civil Engineering; Master's in Urban and Regional Planning. Ashoka Fellow. Schwab Foundation Social Entrepreneur. Recipient of awards: UN Poverty Eradication Award (2002); Intel Environment Award (2003); Tech Laureate, Tech Museum, US (2003); Environment Award, Government of Bangladesh (2007). Expertise: waste management, urban planning, climate change mitigation, carbon financing, public-private partnerships, clean energy, environmental management, industrial pollution control and social innovation.