A Bitcoin champion and "sole trustee of Saylor Academy, a provider of free online education. As of 2016, Saylor has been granted 31 patents." --wikipedia
Mohammed VI of Morocco
"the richest king in Africa in 2014, and the 5th richest king in the world." --wikipedia
Personal calibration of Apple CEO
Hong Kong billionaire jailed and persecuted by the Chinese government for his pro-democracy views.
Melinda French Gates
Global leader of women and girls rights
Died Jan. 2020 with $33.8 billion
Basketball's greatest player of all time, worth $1.6 billion, according to Forbes.
Funds leftist political causes.
American hedge fund manager, philanthropist, environmentalist, liberal activist, and fundraiser. Wikipedia
Tech billionaires testify before congress
17 calibrations of individuals at the hearing, including Zuckerberg, Bezos, Cook and Pichai, and the LoC of the committee, overall. YouTube video included.
With a net worth estimated at $152.9 billion, he's the world's richest man.
Businessman and 2020 presidential candidate.
Personal LoC and social impact of the swashbuckling billionaire turned recluse.
Personal LoC and social impact [paid-subscriber access]
America's favorite media mogul [paid-subscriber access]