His Excellency Richard G. Henning, STD, was installed as Archbishop of Boston, on October 31, 2024. He began serving as as the President of The Missionary Society of St. James the Apostle, upon his appointment to Boston.

Fr. David Costello of the Diocese of Limerick, Ireland, serves as the Superior General of The Missionary Society of St. James the Apostle and as Rector of St. Stephen's Church, Boston. He also serves as Director of the Center House in Lima, Perú

Fr. Simon Cadwallader of the Diocese of Liverpool, England is the Regional Superior in Peru.