Nah, the world’s first billionaire (counting in US dollars) was John D. Rockefeller, more than a century ago. There were many billionaires in 2000, such as Bill Gates ($60 billion), Larry Ellison ($47 billion), Paul Allen ($28 billion), and Warren Buffet ($25.6 billion).
en wikipedia org/wiki/The_World%27s_Billionaires#2000
I quoted the actual remarks made by President Biden, from the White House website, that your own source was (misleadingly) quoting. Here’s the link (just add a dot between “whitehouse” and “gov”):
Looks gourd to me.