Because the organizer is doing their job well. There are several reasons an event may require more than one sign language interpreter. For example, the size of the venue may necessitate interpreters in more than one location for visibility. One of the interpreters may be a Certified Deaf Interpreter to provide support for Deaf individuals who do not use ASL. These are the types of considerations our team will help you plan around when you schedule conference interpreting service from Sorenson.