After graduating from Purdue, Glish worked at Oak Ridge National Laboratory as Research Staff and Group Leader from 1980 to 1992. He also served on the Board of Directors for the Asilomar Conference on Mass Spectrometry from 1987 to 1989. He has a long history with the American Society for Mass Spectrometry from 1987 to 2010, first serving as Vice President for Arrangements, then Associate Editor for the Journal of the American Society for Mass Spectrometry, Vice President for Programs, and ultimately President.
