Niles, IL estates & probate attorney Dana Zivkovich discusses trust administration. Trust administration takes place when a trust is established, and the trustee is responsible for managing the trust’s assets in accordance with its terms. Trusts can be created for various purposes, and it is the trustee’s duty to execute these terms. The primary objective of trust administration is to ensure that the terms of the trust are fulfilled as directed by the settlor, the individual who created the trust.