First CSeries aircraft is delivered to SWISS

Karen Walker is Air Transport World Editor-in-Chief and Aviation Week Network Group Air Transport Editor-in-Chief. She joined ATW in 2011 and oversees the editorial content and direction of ATW, Routes and Aviation Week Group air transport content.

Graham leads Aviation Week's coverage of technology, focusing on engineering and technology across the aerospace industry, with a special focus on identifying technologies of strategic importance to aviation, aerospace and defense.