Resources on Still Waters in general
Here you can find articles on the overall concept of Still Waters and the aspects that should be common, regardless of which service you are interested in.
What Are Challenger Tools?
I was introduced to the concept of challenger leadership when I joined Relume (link), who are the well-spring for all thing Challenger as far as I am concerned. ‘Challenger tools’ is a term I, and they, use a lot, but what does it mean? There is no official definition that I am aware of so how here’s mine:- An assortment of helpful devices for accessing and activating the possibility of change.