What I do suggest doing next time, is that instead of referring to pay dates, as next Wednesday, or next Thursday, use the numerical date; as in 12/03. Would put everyone on the same page then.
I dont know many businesses as large as Copeac where the founder will straight up put his contact info out there - says a lot.
Mike K. means what he says, and does what he says he will do - you can trust him to get things straightened out. Catch up with him directly before venting on a forum.
pick up the telephone