Seitter received his B.S. in Meteorology from The Pennsylvania State University in 1978 and his Ph.D. in Geophysical Sciences from the University of Chicago in 1982. After serving a postdoctoral appointment as a Geophysics Scholar at the Air Force Geophysics Lab at Hansom Air Force Base, he joined the faculty at the University of Lowell (now the University of Massachusetts at Lowell), teaching in the undergraduate meteorology program of the Department of Earth Sciences and conducting research in mesoscale meteorology. In 1991, Seitter joined the staff at the American Meteorological Society, leading a number of AMS programs and serving as Deputy Executive Director prior to being named the Executive Director in 2004.
Seitter is a Certified Consulting Meteorologist and has served on the Board of Directors of the National Council of Industrial Meteorologists. He has been active in scholarly publishing organizations such as the Society for Scholarly Publishing (elected to the SSP Board of 2005-2007) and the Council of Science Editors. Seitter enjoys giving talks on weather, climate, and climate change in school classroom visits and before civic organizations.
Seitter is a Fellow of the American Meteorological Society and Fellow of the Royal Meteorological Society. He is also a member of many other societies and organizations and serves on several advisory boards. He has given numerous invited lectures and published papers in AMS and other scientific and publishing journals.