Stefan is the founder and host of Freedomain Radio, one of the most popular philosophy shows in the world. His works spans more than 2,600 podcasts, 10 books and 65 million downloads. Stefan has interviewed Noam Chomsky, Dr. Nathaniel Branden, Dr. Warren Farrell, Peter Schiff, Dr. Peter Boghossian, Dr. Mary J. Ruwart and many others.

Prior to launching Freedomain Radio, Stefan was a software entrepreneur and executive. In 2006, he left his work in the tech industry to pursue Freedomain Radio. He speaks regularly at liberty-themed events all over North and South America.