Wikipedia: https://en.wikipedia.org/wiki/Hibatullah_Akhundzada
There does not appear to be any verified personal social accounts on Twitter. However, there several of twitter accounts that serve as official spokespersons for the IEA
Apparently from this article he has not been filmed or photographed in public for years
https://www.france24.com/en/live-news/20211230-taliban-chief-orders-fighters-not-to-punish-former-regime-members
