I can’t get an Ex-Muslim contributor for the life of me!

I am co-editing a book of deconversion accounts, recounting personal experiences of leaving religion. We have a good number of excellent ex-Christian contributions, but I can’t seem to find anyone willing to commit to a chapter/account from an ex-Muslim perspective. Here are some details for the book:

Beyond an Absence of Faith

Can anyone help? I have contacted various councils of ex-Muslims, tweeted and hit the Reddit group. Any other ideas?