Professor Biswas is the Chairman of the Department of Energy, Environmental & Chemical Engineering at Washington University in St. Louis. He has more than 200 publications, has presented several invited presentations nationally and internationally and holds four patents. He has won several Teaching and Research Awards including the recipient of the 1991 Kenneth Whitby Award given for outstanding contributions by the American Association for Aerosol Research and the Neil Wandmacher Teaching Award of the College of Engineering in 1994. He was elected as a Fellow of the Academy of Science, St. Louis in 2003. Professor Biswas has played a leading role at the National and International arena in the field of Aerosol Science and Technology by serving on several National Committees.He was the Conference Chair for the 15th Annual Meeting of the American Association for Aerosol Research, Chair of the Critical Review Committee of the Air and Waste Management Association, an Associate Editor of the Aerosol Science and Technology Journal, and the Technical Program Chair of the 7th International Aerosol Conference in 2006; and served on the Board of Directors of the American Association for Aerosol Research and was the Treasurer in 1998 and President of the organization in 2006-07. Professor Biswas is a member of the Steering Committee of the McDonnell International Scholars Academy, and an Ambassador to the Indian Institute of Technology, Bombay.