I hope what I am about to tell you helps.
You don't say whether you have minor children or not. Your safety and the safety of any children living with you and your husband is of supreme importance.
You cannot fix your husband and we cannot diagnose him or force him to take his medication and refrain from drinking alcohol to excess.
It is unlikely your husband will try to help himself as long as he has a 'support system' (you and his boss) who remain with him (emotionally, financially, physically)
as he rages on.
It is my opinion that rage feeds more rage.
Please consider seeking counseling for yourself and/or a support group like Al-Anon so that you can gain back control of your life without being subject to the uncontrolled behavior of your husband.
I hope you find your visits here supportive and informative.