Basic:
Good to Great, Jim Collins
Emotional Intelligence 2.0, Bradberry, Travis and Greaves, Jean
Inside the Physician’s Mind Joe Bujak, MD
The Checklist Manifesto, Atul Gawande, MD, and
Being Mortal
The Patient comes Second, Britt Barret, PhD

Intermediate:
How the Mighty Fall, Jim Collins
Active Listening, Howard Schultz
Leadership’s Deeper Dimensions Tom Atchison
Why Pride Matters More than Money, Katzenbach, Jon

Advanced :
Great by Choice, Jim Collins
The Speed of Trust, Steve Covey, Jr
Let My People Go Surfing, Yvon Chouinard
Emotional Intelligence, Daniel Goldman
The Zappos Miracle, Shinobu Ishizuka