A subreviewer (also known as an external reviewer) is a person asked by a program committee member to write a review for a submission.
A PC member can invite a subreviewer by sending her or him a review request for a specific submission. The subreviewer can accept or decline this request; in practice, some requests may remain unanswered.
EasyChair provides an interface for:
In the default configuration, subreviewers have access only to their own reviews. However, this can be changed