Dr. Soumen Maity holds a PhD in Materials Science from Central Glass and Ceramic Research Institute (CSIR). After a brief stint in CSIR, he joined Development Consultant Limited, Kolkata and was instrumental in managing a R&D Group on developing low cost building materials. During this period, he had set up two start-up companies, producing studio potteries and alternate building materials. Presently he is with TARA (Development Alternatives Group) leading the Innovation-Incubation-Multiplication value chain. His current sectors of interest are industrial waste utilisation, resource efﬁciencies of small scale technologies, alternate building materials and technologies in producing them and water puriﬁcation systems. He has also successfully transferred home grown Indian technologies to Asia and Africa supporting them in development process.