Cal Callahan

Cal Callahan is a retired trader and entrepreneur. He is the host of The Great Unlearn, a podcast that explores topics such as personal growth, entrepreneurship, and innovation. Callahan has built a large following on social media and has become a prominent figure in the podcasting space. He has been featured in various publications and has spoken at events. Callahan is also a writer and has published articles on topics such as finance and personal development.