Sherman Tanz is a billionaire and private prison magnate. He was under indictment for bribery and tax evasion, but was pardoned at the last minute shortly before President Selina Meyer left office in 2017.
Season 6 Edit
In Justice, Selina asks Tanz for a $5 million investment in her presidential library. When she later reveals she won't need his money (under the assumption she'll be the new justice), Tanz invests in Jonah, giving him the staff and legislation he needs to make it big.