One individual often cited as extremely confident is Elon Musk, the CEO of SpaceX and Tesla, among other ventures. Musk has demonstrated a remarkable level of self-assurance and belief in his ambitious projects and ideas. He has taken on significant challenges in the space exploration and electric vehicle industries, showing unwavering confidence in his ability to revolutionize these fields. His confidence has been both praised and criticized, but there is no denying that it has been a driving force behind many of his accomplishments.
Keep in mind that this assessment is based on public perception and media portrayal, and the perception of confidence can vary depending on the context and the observer. Confidence can be a complex trait with many nuances, and there are numerous confident individuals in various fields who may not receive the same level of attention as high-profile figures like Elon Musk.