Lori Greiner

Greiner grew up in Chicago and studied communications at Loyola University Chicago. While in college, she worked for the Chicago Tribune and initially considered writing and playwriting as career paths. After college, she began designing and selling costume jewelry.

Her jewelry business led to the creation of a plastic earring organizer designed to display jewelry clearly and make it easier to store. In 1996, she received her first two patents for jewelry organizers and founded For Your Ease Only, Inc. The organizer appeared on the Home Shopping Network and sold out within minutes, helping establish her career in consumer-product development and televised retail.

The product was later picked up by JCPenney before the holiday season. Greiner expanded her product range into cosmetic organization, household tools, travel accessories, electronics, and kitchen products. She has held more than 120 U.S. and international patents.

Greiner joined QVC in 2000 and launched Clever & Unique Creations by Lori Greiner. The program featured products she had developed as well as items she helped bring to market, including organizers, household tools, travel accessories, and kitchen products.

Her television approach centered on demonstrations that showed how a product worked and what problem it solved. She also emphasized packaging, presentation, and the ability to explain an idea quickly. Her long-running presence on QVC made her one of the network's best-known hosts and led to the nickname "Queen of QVC."

In 2012, Greiner joined the cast of ABC's Shark Tank, where entrepreneurs pitch business ideas to a panel of potential investors. She evaluates inventions and early-stage companies with particular attention to usability, retail viability, packaging, and whether a product can be demonstrated clearly.

Greiner became known on the program as the "warm-blooded shark," a nickname reflecting her conversational style and willingness to mentor founders. She has also used the phrase "hero or a zero" to describe her method of deciding whether a product has a clear and useful purpose.

Among her Shark Tank investments is Scrub Daddy, a polymer foam sponge that changes texture according to water temperature. Her other investments have included Simply Fit Board, Squatty Potty, Bantam Bagels, ReadeRest, Paint Brush Cover, Hold Your Haunches, Drop Stop, FiberFix, Sleep Styler, and Screenmend.

Her experience in television retail has shaped her investment strategy. On the show, she has emphasized preparation, direct communication, and the importance of presenting a product's value effectively. She has also spoken about women advocating for themselves in professional settings.

Greiner published Invest It! Sell It! Bank It! Make Your Million-Dollar Idea into a Reality in 2014. The book draws on her work as an inventor, retailer, and investor and focuses on the process of moving a product from an idea to the marketplace.

Her public advice has repeatedly emphasized preparation, presentation, persistence, intellectual-property protection, and understanding retail channels. She has also appeared in business and lifestyle media and used her entrepreneurial experiences to advise aspiring inventors and business owners.

Greiner is married to Dan Greiner. He previously worked as a controller at Bell + Howell and later became an operations executive in her business.

The couple has worked together on product development and retail operations. Greiner has described their partnership as important to managing her invention work and television career, and she has no children.

Greiner has helped popularize a consumer-products model that combines practical design with strong retail presentation. Her work on QVC and Shark Tank has highlighted the importance of solving everyday problems, protecting inventions, and making products understandable to a broad audience.

Through For Your Ease Only, her television programs, and her investments, she has influenced how inventors approach product development, packaging, demonstrations, and national retail distribution.