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Pope Appoints Monsignor Bui as Phoenix Auxiliary Bishop

12/20/2025

Summary

Story summary

Monsignor Peter Dai Bui was appointed the second auxiliary bishop for the Diocese of Phoenix by Pope Leo XIV on December 19, 2025.
At 55 years old, Bui has over 18 years of experience serving as a priest in Phoenix.
He will represent Bishop John Dolan and carry out his duties on his behalf.

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Story summary

Monsignor Peter Dai Bui was appointed the second auxiliary bishop for the Diocese of Phoenix by Pope Leo XIV on December 19, 2025.
At 55 years old, Bui has over 18 years of experience serving as a priest in Phoenix.
He will represent Bishop John Dolan and carry out his duties on his behalf.