Who has hosted 'The Tonight Show' since 2014?

Which chef stars in 'Hell's Kitchen'? Who hosted 'Top Chef' for most of its run through 2023? Who hosted 'Let's Make a Deal' for decades starting in 1963? Who hosted 'Match Game' in the 1970s? Who succeeded David Letterman as host of 'The Late Show'? Who succeeded Jon Stewart as host of 'The Daily Show' in 2015? Who hosts HBO's 'Last Week Tonight'? Whose daytime talk show ran for 25 seasons from 1986 to 2011?