![Darren Rovell on Twitter: "In November 2013, Jamie Siminoff came on Shark Tank valuing his WiFi enabled video doorbell at $7 million. Four sharks passed & @kevinolearytv offered his typical loan/royalty deal. Darren Rovell on Twitter: "In November 2013, Jamie Siminoff came on Shark Tank valuing his WiFi enabled video doorbell at $7 million. Four sharks passed & @kevinolearytv offered his typical loan/royalty deal.](https://pbs.twimg.com/media/DXFUhKKXcAAHPUS.jpg)
Darren Rovell on Twitter: "In November 2013, Jamie Siminoff came on Shark Tank valuing his WiFi enabled video doorbell at $7 million. Four sharks passed & @kevinolearytv offered his typical loan/royalty deal.
![Jamie Siminoff Didn't Let His 'Shark Tank' Failure Stop Him From Building a Billion-Dollar Business With a Big Mission Jamie Siminoff Didn't Let His 'Shark Tank' Failure Stop Him From Building a Billion-Dollar Business With a Big Mission](https://assets.entrepreneur.com/content/3x2/2000/20200122203650-Ring-Article.jpeg)
Jamie Siminoff Didn't Let His 'Shark Tank' Failure Stop Him From Building a Billion-Dollar Business With a Big Mission
Former 'Shark Tank' contestant Jamie Siminoff turns into Guest Shark in 10th season premiere - ABC7 San Francisco
![Shark Tank's billion-dollar blunder: How startup Ring went from TV rejection to Amazon acquisition – GeekWire Shark Tank's billion-dollar blunder: How startup Ring went from TV rejection to Amazon acquisition – GeekWire](https://cdn.geekwire.com/wp-content/uploads/2019/04/sharktank1.jpg)
Shark Tank's billion-dollar blunder: How startup Ring went from TV rejection to Amazon acquisition – GeekWire
![Former 'Shark Tank' contestant Jamie Siminoff turns into Guest Shark in 10th season premiere - ABC7 San Francisco Former 'Shark Tank' contestant Jamie Siminoff turns into Guest Shark in 10th season premiere - ABC7 San Francisco](https://cdn.abcotvs.com/dip/images/4419307_100518-wabc-jamie-siminoff-shark-tank-img.jpg?w=1600)
Former 'Shark Tank' contestant Jamie Siminoff turns into Guest Shark in 10th season premiere - ABC7 San Francisco
![After getting $1B from Amazon, Ring founder Jamie Siminoff gets another knock from 'Shark Tank' – GeekWire After getting $1B from Amazon, Ring founder Jamie Siminoff gets another knock from 'Shark Tank' – GeekWire](https://cdn.geekwire.com/wp-content/uploads/2018/09/siminoffcrop-630x424.jpg)