Answer:
The person responsible for all these things is the stage manager.
Step-by-step explanation:
Stage manager is one of the jobs that most cast doubt on the roles a stage technician can perform. This is because, unlike the more art-focused theatrical direction, scene direction encompasses the whole operation of a show, from planning and organization to operation, assembly and disassembly - but always paying attention to aesthetic issues. This professional is therefore a kind of general coordinator of all backstage activities.
In other words, we can say that this professional is the director's most important assistant; The person responsible for executing the program during the presentation and assisting the director during the auditions and rehearsal process by taking notes, blocking the recording and scheduling rehearsals.