Lori Greiner, Queen of QVC, the “warm-blooded shark" ... call her what you want, but these names have one common denominator: success. Greiner is best known as a retail product inventor and TV ...

For more than a decade, viewers who tune into Shark Tank know Lori Greiner as one of the famed entrepreneurs sitting in the room as folks try to sell her a stake in their products. While she's made a ...