This book examines how the rapid acceleration and interconnection of globalization comes with the need for more flexible and adaptable solutions to complex problems and solutions. It describes and demonstrates possible combinations of methods and methodologies to address the complex problems that the world offers us today. Sharing meaningful experiences of the application of workshops in mixed public private companies and with vulnerable communities and peacebuilding communities. The text offers readers, who are looking for tools to face complexity and enhance their projects, real-world examples and accessible methods.  The book is based on advanced engineering tools however it is understandable and accessible to a broad audience. This book is for decision makers involved with social complex systems who are uncertain about how they should start and proceed.   Discussions on new methodologies to support engineering interventions with communities are being shown.  A new multi-methodology proposal called “Complexity Funnel Methodology” (CFM) dissected in “Social Transformation Workshops” (STW) is provided and discussed.  It is used with combinations of different methods and methodologies of critical Systems thinking. The implementation of this methodology is described using a case study approach.