My involvement in the conversation begins at comment # 511.
This is how those who write the Called to Communion blog describe themselves:
We are Christians who love Jesus the Messiah, love the faith, love the Scriptures and love the Catholic Church. We are Catholics, but none of us was born or raised in the Catholic Church. We arrived in the Catholic Church in diverse ways but through a similar path involving spiritual formation within the Reformed tradition of confessional Protestantism.
For the full context of this description, see the “Welcome” page of their About section.