Professor Bhattacharya came to academia in 2009 after having worked for 21 years in the industry, at the International Energy Agency in France, Anglo Coal Australia and CRC for Lignite in Australia, and Development Consultants in India. He commissioned the first CFBC in Australia, led the first Oxygen-blown HTW and Transport Reactor trials of Victorian brown coal, and worked on the commissioning of coal-fired plants in India. Since 2010, he has supervised 6 post-doctoral researchers and 27 students to Ph.D. completion. They are based in industry and academia in Australia, Bangladesh, China, Germany, India, Malaysia, Sweden, Thailand, the UK, and the USA. He currently leads a group of 16 Ph.D. students and researchers working on the gasification of solid fuels, processing of wastes, chemical looping for CO2 capture and chemicals, biofuels production, and platform chemicals from biomass.