Last month, Motley Fool co-founder and CEO Tom Gardner traveled to Austin, Texas, to interview John Mackey, founder and co-CEO of Whole Foods Market (NYSE: WFM).

Whole Foods has been a tremendous growth story since its start in 1980 as a single, small store; it's now a $17 billion organic and natural grocery store market leader, with more than 300 stores.

Watch the video to see how Mackey was able to carve a new niche by disrupting the staid grocery industry. (A transcript is provided below; running time: 4:24.)

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