Gary L. Haller is Emeritus Professor of Chemical & Environmental Engineering and Chemistry at Yale University. He received his PhD in Physical Chemistry in 1966 from Northwestern University. He has been a member of the Yale faculty since 1967. At Yale, he has been Chair of the Department of Chemical Engineering, Chair oft he Council of Engineering, and Becton Professor of Engineering and Applied Science, and Master of the Jonathan Edwards College.
He has held visiting positions in international institutions including Oxford University, Universite Catholique de Louvain, Belgium, Universidad del Sur, Argentina (United Nations consultant), University of Edinburgh, Technical University of Münich, as well as in the US, such as National Bureau of Standards and New York University.
He has been Editor of the Journal of Catalysis and member of the board of editors and editorial boards for American Scientist, Catalysis Reviews, Journal of Catalysis, Catalysis Letters, Reaction Kinetics and Catalysis Letters, and the Journal of Molecular Catalysis A: Chemical
He was the General Chairman, of the 11th International Congress on Catalysis, Baltimore, as well as Chair of the Gordon Research Conference on Catalysis, and Chair of the Division of Colloid and Surface Chemistry (ACS). President and Vice-President of The Catalysis Society, as well as member of the Board of Directors. He has been an active industrial consultant for more than 15 companies.
Through his career he has received numerous awards and distinctions, including the Robert Burwell Lectureship (Catalysis Society) Netherlands Institute for Catalysis Research Lectureship, the Lacey Lectureship (Caltech), the Ipatieff Lectureship (Northwestern), the Harry Fair Lectureship (Oklahoma), the Yale Science and Engineering Association Award for Meritorious Service, the Catalysis Society of Metropolitan New York Award for Excellence in Catalysis, the George C. A. Schuit Lectureship (Delaware).
He is author and co-author of 250 publications, 1 book and 8 industrial patents.