LONDON -- Cirium, the world’s most trusted source of aviation analytics, announced the appointment of Stephen Burnside as Global Head of Consultancy at Cirium Ascend Consultancy, effective September 30, 2025.

Stephen joins Cirium from Rolls-Royce, where he served as Chief Economist and VP of Strategic Intelligence, using a wide range of strategic and real-time data and analysis to inform decision-making. With a wealth of experience and a particular focus on digitisation, as well as a proven track record in delivering key insights and solutions within the aviation sector, Stephen is set to lead Ascend Consultancy into its next phase of growth and innovation.

This leadership transition comes as Rob Morris, Cirium’s widely respected Global Head of Consultancy, prepares to retire on August 31, 2025. Rob’s significant contributions over the years have played a great role in advancing Ascend Consultancy’s reputation as a global leader in aviation consultancy. He leaves behind a legacy of unparalleled service and expertise, and the company extends its deepest gratitude and best wishes for his future endeavors.

The Ascend Consultancy team continues to deliver leading insights and data-driven advisory services to airlines, airports, manufacturers, and financial stakeholders globally. With Stephen’s appointment, Cirium reaffirms its commitment to empowering the aviation industry with trusted data, thorough analysis, and strategic guidance.