New supervisor Susan Ellenberg could bring some balance to the Santa Clara County board

New member, not seen as tied to labor bloc, will be sworn in Monday evening

A correction to an earlier version of this article is appended to the end of the article.

SAN JOSE — All eyes are on Susan Ellenberg, who on Monday evening will be sworn in as a Santa Clara County supervisor and could shift the dynamics of a board that in recent years has been steered by a labor-backed bloc.