Lori Greiner joined the cast of Shark Tank as an investor. This marked a significant expansion of her career into mainstream television, allowing her to invest in and mentor emerging entrepreneurs. Shark Tank significantly expanded her reach and influence.

Lori Greiner began hosting her show "Clever & Unique Creations by Lori Greiner" on QVC. This was a pivotal moment in her career, as it significantly boosted her visibility and established her as a prominent figure in the home shopping industry, eventually earning her the title 'Queen of QVC'.