You Might Not Want to Hear This Tough-Love Advice From Barbara Corcoran — But She Says It's the No. 1 Key to Success The founder and investor joined several other “Shark Tank” judges for an Advertising Week panel discussion. Previous Article Co-Creation Can Boost Creativity, Community and Sales for Your Business. So What Is It? Next Article We Snagged Our Dream Home on a Luxurious Cruise Ship With $8 Million Residences. Here's What Sold Us on the Investment.