He changed his job description on Twitter which doesn't include "Riot Games" anymore.
Of course we should wait for an official statement, but I am pretty sure they parted ways.
**Update**: It is official; he no longer works for Riot. Klein just shared this article:
**Update #2**: A new set of tweets he shared indicates that he got fired and we, the community, played a considerable part:
**Update #3**: Apparently Kotaku updated their article in terms of the reasons for Klein's departure:
"_[Update—3:15 pm EST]: Klein confirmed to The Verge that he was “fired for violating our_ [Riot's] _social media policy.”_"
The Verge article: https://www.theverge.com/2018/9/7/17827796/riot-games-employee-depart-women-only-pax-west-event