About Jason Mark
Jason Mark Medina is a dedicated personal injury attorney based in Lubbock, Texas. Since 2004, he has focused his legal practice on a variety of cases, including auto and truck accidents, gas plant explosions, oilfield and agricultural accidents, and various on-the-job injuries. As a partner at Glasheen, Valles & Inderman Injury Lawyers, he plays a crucial role in a firm that has established a strong presence in Lubbock, Odessa, El Paso, and Albuquerque. This extensive network allows him to serve clients across multiple jurisdictions effectively. Born and raised in Lubbock, Jason has deep roots in the community. He earned his Bachelor of Business Administration from Baylor University in 2000, laying a strong foundation for his future legal career.
Following this, he graduated from Baylor University School of Law in 2003. After passing the Texas bar exam, he was officially admitted to practice law in Texas in 2004. In addition to his Texas license, Jason is also licensed to practice in New Mexico and Oklahoma, broadening his ability to assist clients in different regions. He is admitted to the U.S. District Court for the Northern District of Texas and the U.S. Court of Appeals for the Fifth Circuit, enhancing his litigation capabilities.
Over the years, Jason has received significant recognition for his legal expertise and contributions to the field. He was selected to Super Lawyers from 2023 to 2025, a prestigious designation awarded to only 5% of attorneys in Texas. Prior to this honor, he was named a Texas Rising Star from 2012 to 2019, showcasing his commitment to excellence early in his career. These accolades reflect not only his skill as an attorney but also his dedication to advocating for his clients. Outside of his legal practice, Jason is actively involved in the Lubbock community. He serves on the Board of Directors for Literacy Lubbock, an organization dedicated to improving literacy rates in the area.
His commitment to community service is further demonstrated by his participation in the 2008 Leadership Lubbock class, where he developed valuable connections and insights into local issues. Additionally, he contributes to the Lubbock Heart Gallery, which promotes the adoption of area children, highlighting his focus on making a positive impact. Jason comes from a family with a strong legal and business background. His father, Sam Medina, served as a judge for the 237th District Court in Lubbock County, instilling in him a respect for the law from a young age. His mother, Velma, is a successful real estate agent with Coldwell Banker, demonstrating the entrepreneurial spirit that runs in the family. Jason and his wife, Kelli, continue to make Lubbock their home, where they are committed to both their professional and personal lives.