Introduction Greg Garland and Marvin Ellison are two well-known American business executives who have built their careers in different industries. Garland is recognized for his leadership in the energy sector, particularly through his work with Phillips 66. Ellison, meanwhile, is known for his extensive retail experience and leadership at Lowe’s Companies, one of the largest home improvement retailers in the United States. Although their professional backgrounds differ, both executives offer useful examples of corporate leadership, operational management, and long-term business strategy. Understanding their careers helps explain how experienced leaders guide large organizations, manage complex operations, and respond to changing market…