12. Americo Amorim
Company: Corticeira Amorim
Net Worth: $4.8 billion*
Americo Ferreira Amorim was the richest person in Portugal, thanks to his half-stalk in Corticeira Amorim. His grandfather founded Corticeira, which is a world-leading producer of cork. Amorim spent decades as part of his family’s cork business, and he helped expand the company to other sectors of the market, including forestry, energy, and more.
Americo Amorim @tabernasmadrid / Twitter.com
The Portuguese billionaire’s company reported $650 million a year in sales. On his own time, Amorim was a dedicated investor. His largest stake was in Galp Energia, a company in which he invested 18%. He was chairman of Galp until 2016, when he turned over control to his daughter, Paula, once again keeping his business within the family.