[Jan_Sobieski]

Yes! Looks like they have been affiliated since the early 90s. Here is a link I found exposing...

http://thewartburgwatch.com/2015/04/28/john-piper-and-duck-dynasty-celebrity-endorsements-validate-the-demonology-of-peter-wagner-and-the-arc/

[Mark17]

I did another search about Piper. He looks like a salvation by faith and works kind of guy. I am not buying, what he is selling. I’m also, not into the New Apostolic Reformation, and the kundalini spirit. Just not into it.