Dr. Spyros Pandis, received his PhD from the California Institute of Technology in 1991 and joined the faculty of Carnegie Mellon University in 1993 and of the University of Patras in 2004. His research includes theoretical and experimental studies of atmospheric chemistry as it relates to urban and regional pollution and topics related to global climate change. He is one of the most cited researchers in Geosciences. He has been awarded the Ken Whitby Award by the American Association for Aerosol Research, the CAREER award by the US National Science Foundation, the Book of the Year Award by the American Meteorological Society, the Vaughn Lectureship by Caltech, the Sinclair Award by the American Association for Aerosol Research, the Cecil Award for excellence in environmental engineering research by the American Institute of Chemical Engineering, the Lacey Lectureship by Caltech, an ERC Senior Investigator award and the Vilhelm Bjerknes Medal by the European Geophysical Union. He has been the recipient of the Elias Chair in Carnegie Mellon University, the Kun Li award for Excellence in Chemical Engineering education, and the Benjamin Teare award for Excellence in Engineering education. He is the ex-president of the American Association for Aerosol Research.