The Rev. Thomas O. Edmunds will pioneer a new ministry as director of pastoral services for three institutions located on Mount St. Alban: the Washington Cathedral, St. Alban's parish and the Episcopal Diocese of Washington. Edmunds has been executive director of the Institute for Living in Winnetka, Ill., and visiting professor of pastoral counseling at Garrett-Evangelical Theological Seminary in Evanston, Ill.

The Rev. Clark Lobenstine, formerly director of a neighborhood community ministry program in Louisville, Ky., has been named executive director of the Interfaith Conference of Washington, organized last fall to bring Christians, Jews and Muslims together to address community problems.

Edward Joseph Lyons of Chicago has been named superintendent of schools for the Roman Catholic Archidiocese of Baltimore. Lyons, a former Marist Brother, has been associate superintendent of schools and director of high schools for the Archdiocese of Chicago, and is currently assistant principal of a parochial high school there.

Anglican Bishop Festo Kivengere, who fled has native Uganda on foot two years ago to escape reported efforts to murder him, has returned to Uganda following the fall of the Idi Amin government.

The Rev. John P. Bucheister will become the new superintendent of the Washington West District of the United Methodist Church next month. He succeeds the Rev. Merrill W. Drennan, who will join the staff of the Council of Ministries of the church's Baltimore Conference.

The Rev. R. G. Puckett, who for the last 13 years has been editor of The Maryland Baptist, has been named executive director of Americans United for Separation of Church and State Here. CAPTION: Picture, REV. CLARK LOBENSTINE . . . takes position here