![Jamie Siminoff's Shark Tank Return : From Shark Tank Rejection to Guest Shark : THE INSPIRING STORY - YouTube Jamie Siminoff's Shark Tank Return : From Shark Tank Rejection to Guest Shark : THE INSPIRING STORY - YouTube](https://i.ytimg.com/vi/um-iVXiXedc/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLAWiBBW8xkAYA65TiWfmBL1mkiJ8Q)
Jamie Siminoff's Shark Tank Return : From Shark Tank Rejection to Guest Shark : THE INSPIRING STORY - YouTube
![Northeastern University alumna Jamie Ratner took her business CertifiKID onto the ABC reality show Shark Tank and made a deal with Mr. Wonderful - Northeastern Global News Northeastern University alumna Jamie Ratner took her business CertifiKID onto the ABC reality show Shark Tank and made a deal with Mr. Wonderful - Northeastern Global News](https://news.northeastern.edu/wp-content/uploads/2019/04/Shark_Tank.jpg)
Northeastern University alumna Jamie Ratner took her business CertifiKID onto the ABC reality show Shark Tank and made a deal with Mr. Wonderful - Northeastern Global News
![Shark Tank on X: "Remember Jamie Siminoff? Well, he's back, but this time it's a little different! #SharkTank https://t.co/mrDL2GIIG1" / X Shark Tank on X: "Remember Jamie Siminoff? Well, he's back, but this time it's a little different! #SharkTank https://t.co/mrDL2GIIG1" / X](https://pbs.twimg.com/media/Dor8OKaV4AAthzW.jpg)
Shark Tank on X: "Remember Jamie Siminoff? Well, he's back, but this time it's a little different! #SharkTank https://t.co/mrDL2GIIG1" / X
![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
![5 Years Ago, He Was Rejected on 'Shark Tank.' Now He's Back as a Shark. Here's the Advice He'd Give His Younger Self | Inc.com 5 Years Ago, He Was Rejected on 'Shark Tank.' Now He's Back as a Shark. Here's the Advice He'd Give His Younger Self | Inc.com](https://images.inc.com/uploaded_files/image/1920x1080/getty_1035582012_2000133620009280136_372300_372300.jpg)