Coach Kobina Amissah has resigned from his post as Berekum Chelsea U21 trainer.
The former Bibiani Gold Stars head coach has told local media he is fed up with the behaviour of CEO Obed Nana Kwame Nketiah.
"I have officially resigned as Chelsea U21 coach because of personal reasons," he told Accra-based Happy FM.
"I'm fed up with the untoward behaviour of my CEO Nana Kwame," he added.
He has been linked with a move to Kumasi-based King Faisal.
Amissah led Chelsea's youth to win the 2011 Yokohama Cup in Germany.