An overview of the newly established concept of the 'service steward' in Base4NFDI who are in place to support the development of basic services for NFDI. The concept of the Service Stewards was conceived to support the service development process through all stages of the development. They will ensure a smooth interplay between the NFDI consortia and partner organisations involved in the development of a service and the Sections. They are particularly responsible for interfacing with the consortia. They scout the consortia’s infrastructure landscape with regard to certain service candidates and act as requirement engineers in specific domains.