This report is from this week's CNBC UK Exchange newsletter. The company enjoyed astonishing sales growth during the Covid-19 lockdowns, when households discovered the joys of cocktail-making. There were also self-inflicted wounds, highlighted by a profit warning in November 2023, during which Diageo admitted Scotch whisky sales in Latin America and the Caribbean had slumped due to lax inventory management. Within weeks, he had slashed the dividend, while criticising Diageo's "frankly very poor" service for its distributors. But Thursday will see the noted turnaround specialist flesh out his plans in detail for the first time after an intensive few months reviewing its operations around the world.