Michael Saylor
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
Tim Cook
Personal calibration of Apple CEO
Jimmy Lai
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
Sheldon Adelson
Died Jan. 2020 with $33.8 billion
Michael Jordan
Basketball's greatest player of all time, worth $1.6 billion, according to Forbes.
George Soros
Funds leftist political causes.
Tom Steyer
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.
Jeff Bezos
With a net worth estimated at $152.9 billion, he's the world's richest man.
Michael Bloomberg
Businessman and 2020 presidential candidate.
Howard Hughes
Personal LoC and social impact of the swashbuckling billionaire turned recluse.
Elon Musk
Personal LoC and social impact [paid-subscriber access]
Oprah Winfrey
America's favorite media mogul [paid-subscriber access]