Following his time in Nogales, Cleveland served in multiple roles and locations, each with unique demands. His assignments included work as a Border Patrol Agent in Sierra Blanca, Texas, and later as a Senior Patrol Agent in Eagle Pass, Texas. His responsibilities grew as he advanced to become a Supervisory Border Patrol Agent in both Douglas, Arizona, and Artesia, New Mexico. Each role required him to navigate the complexities of border enforcement and migration, as well as the evolving challenges of regional security. His proven leadership in these posts prepared him for more substantial supervisory and coordination roles across the southwestern United States.

          As his career progressed, Cleveland was promoted to Field Operations Supervisor positions in Naco, Arizona, and Alpine, Texas. These roles put him in charge of coordinating operations across sectors, developing strategies for preventing illegal crossings, and ensuring the safety of agents and residents. Cleveland’s ability to manage operations effectively in high-stakes environments demonstrated his capability for larger, policy-driven roles in the U.S. Border Patrol.

          Sheriff Cleveland’s experience and leadership qualities ultimately led him to Washington, D.C., where he served as an Assistant Chief in the Office of Border Patrol. In this capacity, he was involved in anti-terrorism initiatives within U.S. Customs and Border Protection (CBP) and worked in the CBP Commissioner’s Office, specifically within the Office of Anti-Terrorism and the Office of State, Local, and Tribal Liaison. These roles demanded an acute understanding of both security policy and the coordination required between various law enforcement and government entities. His work in Washington broadened his expertise in national security strategy, border management, and interagency cooperation, adding a new dimension to his capabilities as a leader in law enforcement.

          Cleveland’s commitment to enhancing border security extended beyond typical law enforcement operations. He spent six months embedded with the Texas Department of Public Safety (DPS) in Austin as the Border Patrol Staff Officer at the Texas Homeland Security Border Security Operations Center (BSOC). In this role, he served as the primary point of contact between BSOC, Border Patrol sectors, and the Office of Border Patrol in Washington, D.C., facilitating information flow and operational coordination to improve the security of Texas’s southern border. Cleveland’s work at BSOC highlighted his capacity to bridge the gap between local and federal agencies, ensuring that policies were not only developed but also implemented effectively on the ground.

          One of the most pivotal roles in Cleveland’s career was his appointment as CBP Advisor to U.S. Army North (ARNORTH), a position supporting the Department of Defense’s assistance to the Department of Homeland Security (DHS) during the humanitarian crisis at the U.S.-Mexico border. As CBP Advisor, Cleveland coordinated DHS requests for assistance and worked with the Department of Defense to develop and operationalize support plans. This role required a unique combination of leadership, diplomatic skill, and deep knowledge of border security dynamics. Cleveland’s efforts helped ensure that humanitarian considerations were met while maintaining border integrity and upholding the law.

          Sheriff Cleveland’s commitment to public service extends well beyond his law enforcement career. A veteran of the U.S. Air Force, Cleveland’s dedication to his country and community is evident in his active role in Terrell County’s civic organizations. He served for eight years on the Terrell County Independent School District Board of Trustees, including four years as Board President, where he advocated for improvements in local education and worked to provide students with the resources needed to thrive. His involvement in education underscores his belief in the importance of supporting young people as the foundation of a stronger future for Terrell County and Texas.

          In addition to his role in education, Cleveland served on the Terrell County Groundwater Conservation District and the Terrell County Appraisal District Board of Directors. These positions allowed him to engage with issues affecting the environment, local agriculture, and property rights, demonstrating his broad commitment to enhancing quality of life in his community.

          Appointed Sheriff in 2022, Cleveland assumed responsibility for law enforcement and public safety in Terrell County, a border county facing unique security challenges. Since taking office, Sheriff Cleveland has coordinated closely with the Texas Department of Public Safety, Texas Parks and Wildlife, Texas Military Forces, and the U.S. Border Patrol, strengthening the county’s overall security infrastructure. His focus on collaboration has improved communication and support with neighboring counties, helping to create a more united approach to border security.

          Cleveland’s leadership as Sheriff is also informed by his extensive background in both field operations and national security policy. His understanding of border dynamics enables him to implement effective security measures in Terrell County, while his experience in Washington allows him to advocate for federal resources and support when necessary. Sheriff Cleveland’s priorities include not only enforcing the law but also ensuring that local agencies are equipped and prepared to address the changing landscape of border security.

          A dedicated Christian, Cleveland’s values are rooted in his faith and commitment to public service. His background and beliefs are evident in his stance on issues such as the right to life and the importance of family. Raised by teenage parents, Cleveland attributes much of his success to the opportunities he was afforded early in life and the guidance he received from mentors and role models. His belief in protecting the unborn and advocating for strong family structures informs his approach to leadership and decision-making.

          As Sheriff, Cleveland’s vision for Terrell County encompasses not only securing the border but also fostering a sense of community and shared responsibility among residents. He views public safety as a shared endeavor, one that relies on the support of citizens, community leaders, and law enforcement working together.

          Sheriff Thaddeus Cleveland has built a legacy of dedicated service and steadfast commitment to border security, community involvement, and interagency collaboration. As Sheriff of Terrell County, he continues to pursue solutions to the unique challenges facing his community, working to ensure that Terrell County remains a safe, resilient place for its residents. Looking forward, Cleveland aims to further enhance coordination with neighboring jurisdictions and state and federal agencies, advocating for policies that protect Texas’s southern border while supporting the county’s long-term growth and stability.

          A  google search for “Sheriff Thaddeus Cleveland, Terrell County, Texas” will demonstrate that he is well represented on social media as well as many YouTube videos.

          Through his efforts, Sheriff Cleveland has not only strengthened Terrell County’s security but has also demonstrated the critical role that local leaders play in shaping national policy and supporting their communities. His leadership serves as an example of how dedication, experience, and collaboration can make a meaningful difference in the lives of the people he serves.