During his primacy, he served as chairman of the Global Fellowship of Confessing Anglicans Primates Council and led the ACNA through a period that included the COVID-19 pandemic.

He left the Episcopal Church following the consecration of Gene Robinson as the first openly non-celibate gay bishop of the Anglican Communion.

[4] After the formation of the Anglican Church in North America in June 2009, Beach was elected the leader of a group of parishes in the Southeast and was consecrated as the first bishop of the Diocese of the South on October 9, 2010.

[5][6] Beach has a radio and internet ministry featuring weekly broadcasts of sermons and daily one-minute audio devotional teaching ministry, A Word from the Lord, which is dedicated to sharing "Biblical teaching using the instruments of radio, print, the Internet, and satellite technology so that people might discover the living Jesus for themselves and become more faithful followers of Jesus by hearing and applying the Word of God in their lives.

"[7] Beach was elected the second archbishop of the Anglican Church in North America after a three-day conclave held at the crypt of the Roman Catholic Basilica of St. Vincent Archabbey, in Latrobe, Pennsylvania.

[14] During a meeting of the Anglican Primates of the Global South, a coalition representing the majority of the world's Anglicans, from October 14–16, 2015, in Cairo, Egypt, Beach was seated as a member of the Global South Primates Council with voice and vote, and he will continue to have voice and vote in future meetings.

In December 2015 at the invitation of Archbishop Onesipore Rwaje, Beach preached at the Anglican Church of Rwanda’s Bishops and Clergy Conference.

[16] In July 2016 Beach participated in the Enthronement of Jackson Ole Sapit as the new Archbishop and Primate of Kenya at All Saints Cathedral in Nairobi.

In November 2016 Beach visited the Province of South East Asia, preaching the Diocese of Singapore and ministering in Kathmandu, Nepal.

Representing the Gafcon Primates Council, he announced on the same day that the Scottish Episcopal Church voted to approve same-sex marriage, on June 8, 2017, that the Rev.

In 2023 Beach led a delegation to the Vatican with discussions with the Roman Catholic Church regarding resurrecting the Malta Statement from the 1960s regarding steps for Eucharistic Fellowship.

[21] In February 2020 Beach was invited by Ugandan Archbishop and Primate Stephen Kaziimba to peach at his enthronement and lead his personal pre-enthronement spiritual retreat in Kampala.

In March 2020 Beach was invited by Archbishop and Primate Ezekiel Kondo to Khartoum to a preaching mission and ministry to the Sudanese bishops.