The veteran Swede is leaving the team after two months on the bench.
One of the final VRS-ranked events in Europe before Austin Major invites are sent out had far more on the line than spots at the $600,000 LAN.
ISSAA has now left and re-joined JiJieHao twice in the last six months.
The PGL Major Kraków-winning coach departs the organization whose lineup he put together and helped bring to the Shanghai Major.
The young majority-Danish roster is to be coached by ex-ENCE player doto.
The Swedish former professional player was found to have used cheats and subsequently threatened to blackmail ESIC.