The former Bibiani Gold Stars trainer left his post in January after disagreement with Chelsea Chief Executive Nana Kwame Nketiah.
Amissah says he no regrets for leaving the Blues after a long-standing relationship with the club.
“I have no regret at all. I left because I had issues and I’m a very happy man where I am,” Amissah told Radio XYZ
“I did the best that I could for the side but felt it wasn’t appreciated.
“It’s no more a secret that I had issues with CEO Nana Kwame. I have not regretted leaving the club.
Amissah has joined second-tier side BA Stars where he has guided them to the top of zone 1A in the National Division One League.