This book was engaging. It is applicable in every situation -- ministry and marketplace positions. The main thing I got from the book was creating a Circle of Safety within your workplace environment.
It's the difference between working a job where you don't know your co-workers to feeling like you BELONG somewhere and enjoy getting to know your co-workers on a deeper level than work.
I will never adequately review this book because there's just so much inside, but I will highly recommend it for people seeking to improve their leadership.
Here's my TED Talk (and you can definitely find Simon Sinek's talks online):