蜜芽传媒

What do you do when you're at the peak of your career? In the case of our regular commentator, Lucy Kellaway of the Financial Times newspaper, you leave. She has announced that after 31 years at the FT, she's going to quit next summer and embark on a career teaching maths. The 蜜芽传媒's Susannah Streeter asked why she's taken this rather radical decision.

(Picture: Maths formulas on a blackboard. Picture credit: Thinkstock.)