John H. Seinfeld

Professor examining pressing issues in atmospheric chemistry, John H. Seinfeld is the Louis E. Nohl Professor of Chemical Engineering at the California Institute of Technology. With a distinguished academic background, he earned his B.S. from the University of Rochester and his Ph.D. from Princeton University. His contributions to the field have been recognized with honorary doctorates from the University of Patras, Carnegie Mellon University, and Clarkson University. Professor Seinfeld's career at Caltech is marked by significant leadership roles, having served as the Executive Officer of the Division of Engineering and Applied Science from 1974 to 1990 and again from 2016 to 2017. He also held the position of Division Chair from 1990 to 2000, guiding the division through pivotal years of growth and innovation. His research is at the forefront of understanding atmospheric processes, focusing on secondary organic aerosol formation and the intricate aerosol-cloud relationships that influence climate. Through a combination of experimental work, sophisticated modeling, and precise measurements, his group seeks to unravel the complexities of these phenomena and their implications for global climate systems. Professor Seinfeld's work is not only foundational in the field of atmospheric chemistry but also crucial for developing strategies to address environmental challenges. His research has provided insights that are vital for policymakers and scientists working to mitigate the impacts of climate change. In addition to his research, Professor Seinfeld is dedicated to mentoring the next generation of scientists and engineers. His commitment to education and research excellence has left a lasting impact on his students and colleagues, fostering a collaborative environment that encourages innovation and discovery. Throughout his career, Professor Seinfeld has been a leading voice in the scientific community, contributing to numerous publications and conferences. His work continues to inspire and drive advancements in understanding the atmospheric processes that shape our world.