Former Intel CEO Pat Gelsinger holds a sample of a wafer during his keynote speech at Computex 2024 in Taipei. Gelsinger was pushed out later in 2024. (Photo by I-Hwa CHENG / AFP) (Photo by I-HWA CHENG/AFP via Getty Images) AFP via Getty Images The most dangerous cognitive bias in business is also the one your best leaders are most likely to suffer from: overconfidence. It has led to the downfall of some of the world’s most successful companies, militaries, and governments. Take Intel for example.