HELENA, MT — Governor Greg Gianforte announces Mack Long, who led the Montana Department of Transportation (MDT), has retired. MDT Deputy Director Larry Flynn will serve as MDT's Interim Director. "I'm grateful to Mack for his leadership at MDT and his service to the people of Montana," Gianforte said. "On his watch, the agency has emphasized the importance of customer service and streamlined permitting to improve our state's transportation infrastructure. I appreciate the personal sacrifice Mack and his family made as he entered public service. I'll miss the good-natured approach he brought to serving Montana and wish him the best in his well-deserved retirement." Appointed by Gianforte as Director in January 2021, Long brought 25 years of experience in professional construction operations and management, serving as President of the JTL Group, a construction company started by his grandfather in Billings. After his retirement from JTL, Long served as the Owner of an oil field service business in Montana and Wyoming. "It's been an honor to lead MDT and be a part of the governor's successful, productive administration," Long said. "I'm proud that we've reduced red tape, improved our customer service, and made great progress to improve the safety and resiliency of our state's transportation infrastructure."