Simon Sinek
HBR IdeaCast
Harvard Business Review
Julie Zhuo, The Making of a Manager: What to Do When Everyone Looks to You
Jim Collins, Good to Great
Paul Sloane, Think Like an Innovator
Atomic Habits, James Clear
The Lean Startup by Eric Ries
The Innovators Dilemma by Clayton M Christensen
Cautionary Tales – Tim Harford
Scaling Up, by Verne Harnish
Better Managers = Better Business, by Pete Fullard
McKinsey Quarterly (a wide range of leadership, management and strategic thinking)
Harvard Business Review (a wide range of leadership thinking)
R. Michael Anderson: Leadership Mindset 2.0