Brené Brown - The Power of Vulnerability
Simon Sinek - How Great Leaders Inspire Action
Liz Wiseman, Multipliers: How the Best Leaders Make Everyone Smarter
Julie Zhuo, The Making of a Manager: What to Do When Everyone Looks to You
Patrick Lencioni, The Five Dysfunctions of a Team: A Leadership Fable
Brené Brown, Dare to Lead: Brave Work. Tough Conversations. Whole Hearts.
Daniel Goleman, Emotional Intelligence
Edward de Bono, Six Thinking Hats
How to Win Friends and Influence People, Dale Carnegie
Professor Alan Norbury, Chief Technologist, Siemens
Richard Potter, Director of Digital Strategy, Microsoft
Better Managers = Better Business, by Pete Fullard
David Clutterbuck (a good resource for coaching and mentoring thinking)
Stephen Covey: The 7 Habits of Highly Effective People
Nick Howell: Great Coaching Questions