Italian entrepreneur Filippo Ghirelli, who became a billionaire after investing $169 million to buy a 25% stake in India's second-largest oil refinery Nayara Energy in 2023, said that the venture was "particularly fortunate". According to Forbes, at least $1.1 billion of Ghirelli’s estimated $1.5 billion wealth comes from this. "We’ve seen the value of...business grow exponentially," he added.