Re:Peter Thiel turned a Roth IRA into a $5B tax-free piggy bank
by vitus on Thursday June 24, 2021 @08:47PM
(#27625836)
The backdoor Roth didn't exist until 2010; Thiel's initial contributions were in 1999.
https://en.wikipedia.org/wiki/Tax_Increase_Prevention_and_Re...
1 - https://www.investopedia.com/terms/b/backdoor-roth-ira.asp