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How a 27-Year-Old Built a $3 Billion Fortune After an Allergic Reaction

Johnny Boufarhat began writing the code for his online meeting startup in his kitchen. The firm is now valued at $7.8 billion.

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Johnny Boufarhat was fed up. A rare allergic reaction in 2015 left him with a misfiring immune system, making him crave in-person contact as he stayed inside to avoid further health flare-ups.

“It was so bad that for years, I could barely go outside,” Boufarhat, 27, said in a June 2020 blog post. “I wanted to go to events. I wanted to meet people.”