<p><b>From the winner of the INCOSE Pioneer Award 2022</b><br/><br/>The world has become increasingly networked and unpredictable. Decision makers at all levels are required to manage the consequences of complexity every day. They must deal with problems that arise unexpectedly, generate uncertainty, are characterised by interconnectivity, and spread across traditional boundaries. Simple solutions to complex problems are usually inadequate and risk exacerbating the original issues.</p><p>Leaders of international bodies such as the UN, OECD, UNESCO and WHO ¿ and of major business, public sector, charitable, and professional organizations ¿ have all declared that systems thinking is an essential leadership skill for managing the complexity of the economic, social and environmental issues that confront decision makers. Systems thinking must be implemented more generally, and on a wider scale, to address these issues.</p><p>An evaluation of different systems methodologies suggests that t