Founders#402 Thomas Peterffy: The $80 Billion Founder Who Automates Everything
Oct 5, 2025 · 31 min
I didn’t know who Thomas Peterffy was. I was shocked to learn that he is 81 years old, worth $80 billion dollars, and has built his $120 billion company, Interactive Brokers, into one of the most efficient companies in the world. I discovered Peterffy by reading this incredible profile about him. I couldn’t put it down. That’s what this episode is about.
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