Lori Greiner Business Background and Shark Tank Role
Lori Greiner is an American inventor, entrepreneur, and television personality known for her role as a shark on ABC's Shark Tank. She co-founded Fowlerton, a firm that develops and licenses products, and has secured over 120 utility and design patents. Her early breakthrough came with the Scrub Daddy sponge, which became one of the most successful products in Shark Tank history after she invested $200,000 for 20% equity in 2012.
Greiner has built a portfolio of businesses spanning consumer products, media, and investing. She serves as president of Greiner Holdings, the parent entity for her ventures, and has appeared on Shark Tank since its premiere in 2009. Her deals often focus on mass-market household items and innovative gadgets with clear utility, and she has publicly stated that she evaluates products based on sellability, patent protection, and margin potential.
Notable Lori Greiner Businesses and Shark Tank Deals
Among her most recognized investments is Scrub Daddy, which reported retail sales exceeding $670 million by 2023. She also backed Bombas, a sock and apparel company that donates one pair for every pair sold, and FitDesk, a maker of under-desk exercise equipment. Other deals include Paint Brush Cover, SleepPhones, and the Tile tracking device, which was later acquired by Life360.
Greiner's investment style emphasizes products with strong visual appeal and clear problem-solving value. She typically seeks equity stakes between 5% and 20%, depending on the company's stage and valuation. Her portfolio includes both consumer brands and licensed products, and several of her deals have gone on to appear in major retailers such as Target, Walmart, and Amazon.
Lori Greiner Net Worth, Companies, and Public Filings
Lori Greiner's net worth has been estimated by Forbes at around $1.5 billion, driven by her equity in Shark Tank deals, licensing income, and her role at Greiner Holdings. She holds board or advisory roles in multiple portfolio companies and has been involved in product development and brand-building for several consumer lines. Her ventures are structured through a mix of private holding entities and licensing partnerships.
Public records show that Greiner has maintained active patent filings in the United States through the U.S. Patent and Trademark Office. Her companies file annual reports and intellectual property documents consistent with a diversified holding model. For details on Shark Tank deal structures and equity terms, the show's official site provides episode breakdowns and investor profiles at sharktank.com, while financial summaries are available on forbes.com.