John Drew

JOHN DREW is a specialist in McKinsey & Company's Practice in the UK. He has applied lean across a number of sectors including automotive, aerospace, steel, consumer goods and retail. He has a special interest in developing an approach to securing the behavioural change which must underpin a lean transformation and ensure its sustainability. Prior to joining McKinsey & Company, he worked at CarnaudMetalbox and Land Rover

BLAIR McCALLUM is the Director of McKinsey & Company's Production Systems Design Centre and has been working with companies in a range of sectors applying lean principles, including oil and gas, automotive, aerospace, furniture, defence and construction. He has previously worked for Toyota, who have been a leading pioneer of lean production methods and Rover Group, where he was responsible for introducing lean production into the manufacture of new products, including the Rover 75.

STEFAN ROGGENHOFER is a leader of McKinsey & Company's Manufacturing Practice in Europe. He has led projects in operational performance improvements for companies in a range of sectors including, luxury goods, aerospace, consumer electronics and steel.