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Lori Greiner is an American inventor, entrepreneur, investor, and television personality widely known as the “Queen of QVC” and as one of the most successful investors on ABC’s Shark Tank. Born on December 9, 1969, in Chicago, Illinois, she grew up in a household shaped by entrepreneurial values — her father was a successful real estate developer and her mother a respected psychotherapist. This upbringing instilled in Greiner an innate creative curiosity and a business-oriented mindset from an early age.
Greiner attended Loyola University Chicago, where she studied journalism, communications, and theater arts. After graduating, she explored careers in television production and journalism before discovering her talent for product invention. The pivotal moment came in the mid-1990s when she invented a plastic earring organizer capable of holding 100 pairs of earrings. She patented the design, pitched it to JCPenney, and saw it sell out instantly during the holiday season. To bring the product to market, she took a $300,000 personal loan, which she repaid entirely from the organizer’s profits within 18 months. That single product launched a career spanning more than 1,000 inventions and 120 U.S. and international patents.
In 2000, Greiner became the host of Clever & Unique Creations by Lori Greiner on QVC, a program that ran for two decades and established her as the network’s most trusted product presenter. She earned a reputation for an extraordinary 90% success rate on new products launched through QVC. Her ability to sell 42,000 Scrub Daddy sponges in seven minutes after appearing on Shark Tank exemplified this retail genius.
Greiner joined Shark Tank as a full-time cast member in Season 4 (2012), bringing her product marketing expertise and QVC relationships to the panel. Her signature investing style — known internally as the “hero or zero” framework — has led to some of the show’s most profitable deals. Her $200,000 investment for a 20% stake in Scrub Daddy in 2012 became one of the most successful in Shark Tank history; the brand grew to over $400 million in retail sales and approximately $350 million in annual revenue by 2025. Her $350,000 investment for 10% of Squatty Potty similarly produced a company valued at around $50 million. Other notable investments include Simply Fit Board, Sleep Styler, and Bantam Bagels.
Greiner also authored the bestselling business book Invent It, Sell It, Bank It! Make Your Million-Dollar Idea into a Reality (2014). She stepped back from her permanent QVC hosting role in 2020 to focus on Shark Tank and new product development, though she continues to make guest appearances on the network. She is the founder of Good Place Entertainment, a production company focused on uplifting content.
Greiner is married to Dan Greiner, her college sweetheart. The couple lives in Chicago. As of 2025, Lori Greiner’s net worth is estimated at approximately $150 million, generated through her product empire, Shark Tank investments, and media activities.
Note: Net worth figures are estimates based on publicly available information and may not reflect exact financial positions. This profile was researched and composed with AI assistance and has been reviewed for accuracy.