Richard Barker is a professor at Oxford University's Business School. He is known for making complex business topics easy to understand. With a background in finance and accounting, he brings a clear and practical style to his teaching. He provides simple frameworks that help leaders build the confidence to make better decisions. 

Mary Johnstone-Louis is a senior research fellow at Oxford University. She is known for helping leaders put ideas into action. With years of experience working with global companies, she brings real-world insight to her writing. She helps leaders create practical strategies that deliver meaningful and sustainable results.