IBM Watson Studio on IBM Cloud Pak for Data is an open, modular platform for data and AI that combines a broad set of descriptive, diagnostic, predictive and prescriptive capabilities. Watson Studio users are a mix of expert and citizen data scientists, data engineers, and experts in natural language processing, optimization or other supported AI techniques. Taken together, Watson Studio offers a coherent set of generic services with a rich collection of precanned solutions. This is supported by good platform, project and model management capabilities, enabling governance and reuse of data and models through a catalog and user community exchanges. It offers good support across all use cases.