The Innovators Dilemma by Clayton M Christensen
Freakonomics - Steve Dubner
Professor Alan Norbury, Chief Technologist, Siemens
Richard Potter, Director of Digital Strategy, Microsoft
Scaling Up, by Verne Harnish
McKinsey Quarterly (a wide range of leadership, management and strategic thinking)
Harvard Business Review (a wide range of leadership thinking)
William Buist: Intentional Mastery
R. Michael Anderson: Leadership Mindset 2.0
Nick Howell: Great Coaching Questions
Nancy Kline: Time to Think
Julie Starr: The Coaching Manual
John Kotter: Leading Change
Daniel Kahneman: Thinking, Fast and Slow
Forgiveness by Iyanla Vanzant