Jeff Lupient, at age 28, became the youngest executive manager of an Infiniti dealership after successfully turning around a struggling family business. He implemented cost-cutting measures and strategies to regain lost customers, which helped the dealership achieve profitability within a year. In addition to the Infiniti dealership, Lupient also owns a Nissan dealership and co-owns another Infiniti store, illustrating his significant role in the automotive industry despite initially not anticipating a career in car sales.