William Otis Gregg (born September 15, 1951) was sixth bishop of the Episcopal Diocese of Eastern Oregon from 2000 to 2007.
He also holds a Master of Arts and a Doctor of Philosophy from the University of Notre Dame.
After ordination Gregg served in a number of posts, notably as rector of St Thomas' Church in Abingdon, Virginia, from 1982 to 1987, and associate professor at Saint Mary-of-the-Woods College in South Bend, Indiana, from 1991 to 1996.
He was then consecrated on September 23, 2000, by former presiding bishop Edmond L. Browning.
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