Fischer is a sole practitioner in Rockport. His practice focuses on criminal and family law but also includes litigation and real estate.
Fischer serves on the board of directors of the State Bar of Texas, the Texas Bar Journal Board of Editors, and as vice chair of the Insurance and Member Benefits Subcommittee in which he also chairs a subcommittee.
Fischer has served as Willacy County District Attorney, president of the Aransas County Bar Association, and on the Aransas County ISD School Board. He has been or currently serves as a member of the Texas Indigent Defense Committee, Texas Crime Victims Committee, Technology Oversight Committee, Texas Penal Code Committee, as a board advisor to the Court Rules Committee and the Family Law and Criminal Justice sections, and as the alternate board advisor to the Disability Issues Committee. He has been a professor at the University of Texas –Permian Basin and has authored numerous articles. He has practiced law in Midland-Odessa, El Paso, Denton, Huntsville, and the Rio Grande Valley.
Fischer received a B.A. with honors from the University of California, Berkeley; an M.A. in criminology from Sam Houston State University; an M.P.A. from the University of North Texas; and a J.D. from Indiana University.