Credentials after your author name?

My book is finally almost ready. But one glaring question has come up. Do I want any credentials after my author name on the back cover? My book is a memoir, with Christian spiritual thought and psychology woven throughout. My Timothy is an educated liberal-ish Christian living in the Pacific Northwest who reads lots of memoirs and self-help. Now, here are my credentials:

• I am a psychotherapist - a licensed marriage and family therapist, or LMFT

• I have an MA in marriage and family therapy

• I have a Master of Divinity, or M.Div.

• I also (randomly) have an MBA. But I dont think that is relivant for my writing or my auditance.

So, my back cover author name and description could read “Matthew Sullivan Cox, MA, LFT, M.Div, is a therapist and…

However, is that overkill? Do people even care if it’s not a doctorate? Thoughts and wisdom from the masses would be appreciated.