Guillory has been a member of the Board of Commissioners since 2003 and was appointed secretary-treasurer in 2007. A lifelong resident of Beaumont, Ms. Guillory is a self-employed businesswoman who is very active in civic and community affairs. She serves on the board of directors of the Beaumont Chamber of Commerce, SAFE Credit Union, the Lamar Alumni Association and the Julie Rogers Gift of Life Foundation.
Guillory is the founder of Pioneering Women, a group that honors women in the community for their professional, philanthropic and vocational contributions and helps promising students pay for higher education. She also volunteers for the Rape, Suicide Crisis Center. She is a graduate of Lamar University, and was a member of the 2000 class of Leadership Beaumont.