John Mackey is the co-founder and CEO of Whole Foods Market, which began as a natural foods store in Texas in 1978 and now has over 300 stores worldwide. While he didn't complete a college degree, Mackey became an entrepreneur to prove businesses could have a positive social impact. Whole Foods Market aims to set high standards for food retailers and sees its mission as serving customers, employees, and the environment. Mackey believes businesses should have a higher purpose beyond profit and practices servant leadership, focusing on empowering employees and building relationships with stakeholders.