SRS Leadership Team Building Relationships Comptroller - Karen Luster Karen has 20 years of accounting experience in the vocational, communications & manufacturing industries serving in positions ranging from Staff Accountant to Treasurer. Karen possesses both a Bachelor of Science degree in Professional Accountancy from Lipscomb University in Nashville, TN and a Bachelor of Science degree in Biology from Middle Tennessee State University in Murfreesboro, TN. Karen is an avid reader, follows politics passionately and volunteers with the American Cancer Society & Susan G. Komen Foundation.