Perhaps; I searched for corroborating information. His websites have apparently been taken down and his ministerial affiliation seems to be unavailable. I did find this:
From the posted piece Bush finished his studies and post graduate education in Rome.
Who knows. He did not build a crystal palace and tour the West as a motivational speaker. The posted piece indicates after resigning he did some missionary work and may continue to do so.
But the testimony was not to create a blog as some do, but to act on the commands of Christ.