He's literally referred to as "American philosopher" (same as Dennett), on his Google profile.

To Steve Ruis's point about the retreat of academic philosophers, Harris's most recent podcast episode begins with him describing the flak he took for calling out obscure terminology and arcane argumentation in his book 'The Moral Landscape,' an edited version of his doctoral dissertation, in which he was "trying to work out how we can make moral progress together."

https://open.spotify.com/episode/7zJeULjvxxppjKtlfQm9mQ?si=bfbf31f973b74587