GLEN D. MANGUM attended the University of Texas at Austin from 1970 to 1974, earning a Bachelor's Degree in Sociology. From 1976 to 1979, he attended St. Mary's University School of Law in San Antonio, Texas, and received a Doctor of Jurisprudence Degree upon graduation in May of 1979.
From February of 1980 to February of 1982, Mr. Mangum was employed as a law clerk to the Honorable Robert B. O'Connor, United States Magistrate Judge for the Western District of Texas, San Antonio Division.
In February of 1982, Mr. Mangum began the private practice of law as an associate of the Law Offices of Luis M. Segura, Inc. in San Antonio. As an associate of Mr. Segura, he acquired experience in practically all areas of labor and employment law.
In June of 1984, Mr. Mangum resigned his employment with the Law Offices of Luis M. Segura and accepted employment with the law firm of Douglas & Elms in San Antonio. He was employed by Douglas & Elms from June of 1984 to October of 1986, during which time he continued to acquire experience and develop expertise in all areas of labor and employment law.
In October of 1986, Mr. Mangum formed a professional corporation with another former associate of Douglas & Elms, and began doing business as Mangum & White, Inc. Mr. White moved to Midland in late 1987, and the corporation was dissolved.
Since late 1987, Mr. Mangum has been a sole practitioner doing business as the Law Offices of Glen D. Mangum. His primary area of practice has been labor and employment law, and he has represented employees in both federal and state courts, and before federal (EEOC, MSPB) state, county and local administrative bodies.
Mr. Mangum is licensed to practice law in all courts of the State of Texas, the United States District Courts for the Western, Southern and Northern Districts of Texas, the United States Courts of Appeals for the Fifth and Federal Circuits, and the United States Supreme Court. He is a member of the State Bar of Texas' Labor and Employment Law Section, and is also a member of the National Employment Lawyers Association, the Texas Employment Lawyers Association, and the San Antonio Chapter of the National Employment Lawyers Association.
Mr. Mangum has also spoken at numerous conferences and seminars on employment law issues.
