This is a special episode because someone listening — or a connection to someone listening — will have a chance to save a life. And it just might be you.

My guest is Tim McDonald from Tampa, Florida. Tim is a stage IV colon cancer thriver, and his best chance at curing his disease is through a living-donor liver transplant.

That means he needs a hero. Someone willing to give up part of their liver to replace his. Ready to save a life? Go to timsliver.com, and see if you might be Tim's match.

Tim is a force of nature who always helps anyone he can.

He is a generous, kind, compassionate and a brave soul who cares deeply about humanity and builds community everywhere he goes.

He is the Community Account Manager at HomeRoom and the former Director of Community at Huffington Post, Founder of My Community Manager, and Director of Communications for Social Media Club Chicago. He's also an ambassador for Fight Colorectal Cancer.

“Once I go through all this," Tim said, "I am going to build a community for anybody that’s got metastasized cancer looking for a liver donor.”