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Early Life
Greiner grew up on the Near North Side, Chicago, the second daughter of a real estate developer father and a psychologist mother. -
Divorce
Her parents divorced when she was 9 years old -
Early Jobs
She majored in Communications, focusing on journalism, television, and film at Loyola University Chicago -
Other Job
She was briefly a playwright and also sold her own jewelry on the side. -
Her Later Career
Greiner created an intricate box that organized earrings which she later patented. Using borrowed money, she created a sample product which was picked up by J.C. Penney before the holiday season. Eighteen months later the earring product reportedly made her rich. -
Trademark
In 2011, Greiner spoke at the first United States Patent and Trademark Office Women's Entrepreneurship Symposium. -
Final Career
In 2012, Greiner joined the US TV series Shark Tank and has been called "the warm-blooded shark" -
Author
In March 2014, she published the book Invent it, Sell it, Bank it! – Make Your Million Dollar Idea into a Reality, which reached #3 on the Wall Street Journal's bestseller list. -
Her Investment
In 2014, her investment in Scrub Daddy, a company which produces a texture changing household sponge, was noted as a great success.