DecisionBrain is a software company that specializes in providing optimization solutions primarily in the fields of production planning, workforce management and logistics. DecisionBrain offers modular, custom planning, scheduling and logistics optimization software solutions to solve multi-objective problems with complex constraints. In this presentation, we will illustrate two case studies corresponding to two different business problems. The first is about a workforce solution that optimizes tactical planning and operational scheduling, the second is about a manufacturing solution that optimizes a production planning problem.