This is information on the Senate Graduate and Professional Committee (SGPC) as published on the web. As it is put, the SGPC is part of the Faculty Senate and is "responsible for maintaining and enhancing the quality of graduate/professional education in the University and its graduate and/or professional centers" through its leadership and initiatives in various areas of faculty governance (the page here gives seven different examples of this). This document also includes the 2017-2018 list of committee members. Information on and charges to the SGCP is also present in the Faculty Handbook (section A61.11).
Faculty Senate. "About SGCP." (2018). https://digitalrepository.unm.edu/assurance_argument_2018_19/48