This volume of Annals of Information Systems will acknowledge the twentieth anniversary of the founding of the International Society for Decision Support Systems (ISDSS) by documenting some of the current best practices in teaching and research and envisioning the next twenty years in the...

Introduction -- Big Data Panel at SIGDSS Pre-ICIS Conference 2013 A Swiss-Army Knife? The Profile of a Data Scientist -- Creating a Data-Driven Global Society -- Agile Supply Chain Decision Support System -- Hawkes Point Processes for Social Media Analytics -- Using Academic Analytics to Predict...