It was @BenjaminPDixon, the original co-founder's.
How do I know? He once pitched it to @Blavity and several others before he eventually asked for Shaun King to be a part of it.
I have spoken to others who can confirm.
Shortly after, King fired nearly everybody working in their Atlanta office.
Several former writers have told me that the publication is a total disaster. Many prominent Black activists who planned to participate have also pulled out.
Expect for the full truth to come out very soon. It's going down.