Holt CAT, the Caterpillar construction equipment and industrial engine dealer for South, Central, North and Northeast Texas, recently announced several personnel changes.

Gary Jackson has been named product support sales representative of the Texarkana area.

Jackson will be responsible for promoting the diverse line of Caterpillar parts, services, and machinery support throughout Northeast Texas.

Jackson brings more than 22 years of Holt CAT experience to his new role, previously serving as service lead for Texarkana.

Prior to joining Holt CAT, Jackson held the position of journeyman heavy equipment mechanic.

Jackson served his country in the U.S. Army for three years during the Vietnam War.

Cody Triesch also has been named a product support sales representative.

Triesch will be responsible for promoting the diverse line of Caterpillar parts, services, and machinery support in the Austin area.

Triesch brings more than 13 years of Holt CAT experience to his new role, previously serving as field services lead technician.

Prior to joining Holt CAT, Triesch held the position of service technician for four years.

Triesch also holds professional certifications in various technical fields, including Advanced Electronics, Diesel Engines, the 300 Series Excavator, and Engine Diagnostics.

Frank L. Warren Jr., has been named general manager of Holt Rental Services.

In addition to his new responsibilities, Warren will continue to manage all aspects of governmental, paving, commercial waste and specialty market operations.

Warren will oversee Holt’s Rental Services Division, focusing on the development and success of that operation.

Holt Rental operates 10 stores, located in Corpus Christi, Fort Worth, Grand Prairie, Lewisville, Longview, North Dallas, Pflugerville, San Antonio, Waco and Weslaco.

Warren has been with Holt CAT for 23 years. He has extensive experience in sales, through employment as a field and district sales representative in the construction industry.