American-Cassinese Benedictine Congregation (O.S.B.)

President: USA Abbot Jonathan R. Licari, O.S.B. (77) Abbot Jonathan R. Licari , O.S.B. (77) (2022年06月22日 – ...)

President: USA Abbot John Klassen, O.S.B. (2020年04月15日 – 2022年06月22日)

President: USA Bishop Elias Richard Lorenzo, O.S.B. (65) Abbot Elias Richard Lorenzo , O.S.B. (65) (later Bishop) (2016年06月23日 – 2020年02月27日)

President: USA Abbot Hugh Anderson, O.S.B. (2010年06月17日 – 2016年06月23日)

President: USA Abbot Timothy Thomas Kelly, O.S.B. (2001.06 – 2010年06月16日)

President: USA Abbot Melvin Valvano, O.S.B. (1989.06 – 2001.06)

President: USA Abbot John Albert Eidenschink, O.S.B. (1983 – 1989.06)

President: USA Abbot Martin Burne, O.S.B. (1971 – 1983)

President: USA Abbot Baldwin Wilfred Dworschak, O.S.B. (1965 – 1971)

President: USA Abbot Denis Strittmatter, O.S.B. (later Archabbot) (1953 – 1965)

President: USA Abbot Mark Braun, O.S.B. (1944 – 1953)

President: Hungary Abbot Alcuin Deutsch, O.S.B. (1932 – 1944)

President: USA Abbot Ernest Helmstetter, O.S.B. (1914 – 1932)

President: USA Abbot Peter Engel, O.S.B. (1902 – 1914)

President: Germany Abbot Innocent Wolf, O.S.B. (1896 – 1902)

President: USA Bishop Leo Michael Haid , O.S.B. (1890 – 1896)

President: Germany Abbot Alexius Edelbrock, O.S.B. (1888 – 1890)

President: Germany Archabbot Boniface Wimmer , O.S.B. (1855 – 1887年12月08日)

Founder: Germany Abbot Boniface Wimmer , O.S.B. (later Archabbot) (1855)

2024: Canada Abbot Peter Wilfred Novecosky , O.S.B., Abbot Ordinary of Saint Peter–Muenster (Canada)

2016: USA Abbot Edmund F. McCaffrey , O.S.B., Abbot nullius of Belmont–Mary Help of Christians (USA)

2008: Canada Abbot Jerome Ferdinand Weber , O.S.B., Abbot Ordinary of Saint Peter–Muenster (Canada)

2005: USA Abbot Jude George Cleary , O.S.B., Abbot nullius of Belmont–Mary Help of Christians (USA)

1999: USA Abbot Walter Arthur Coggin , O.S.B., Abbot nullius of Belmont–Mary Help of Christians (USA)

1995: USA Abbot Primate Jerome Theisen , O.S.B., Abbot Primate of Benedictine Confederation of the Order of Saint Benedict (Benedictines)

1976: USA Fr. Ulric Beste (Conrad), O.S.B., Rector Magnificus of Pontifical Athenaeum of Saint Anselm

1960: Canada Abbot Severinus Giacomo Gertken , O.S.B., Abbot Ordinary of Saint Peter–Muenster (Canada)

1959: USA Abbot Vincent George Taylor , O.S.B., Abbot nullius of Belmont–Mary Help of Christians (USA)

1926: Canada Abbot Michael Ott , O.S.B., Abbot Ordinary of Saint Peter–Muenster (Canada)

1919: Canada Abbot Bruno Doerfler , O.S.B., Abbot Ordinary of Saint Peter–Muenster (Canada)

USA Bishop Roger William Gries, O.S.B. (89) Bishop Roger William Gries , O.S.B. (89), Titular Bishop of Præsidium and Auxiliary Bishop emeritus of Cleveland (USA)

USA Bishop Elias Richard Lorenzo, O.S.B. (65) Bishop Elias Richard Lorenzo , O.S.B. (65), Titular Bishop of Tabuda and Auxiliary Bishop of Newark (USA)

2023: USA Bishop Joseph John Gerry , O.S.B., Bishop of Portland in Maine (USA)

2022: USA Archbishop Rembert George Weakland , O.S.B., Metropolitan Archbishop of Milwaukee (USA)

2018: Brazil Bishop Heriberto Hermes , O.S.B., Bishop-Prelate of Cristalândia (Brazil)

2017: USA Archbishop Daniel William Kucera , O.S.B., Metropolitan Archbishop of Dubuque (USA)

1990: USA Bishop Angelo Thomas Acerra , O.S.B., Auxiliary Bishop of the Military Ordinariate of United States of America (USA)

1986: Belarus Bishop Vladimir Ladislas Tarasevitch , O.S.B., Titular Bishop of Mariamme

1984: Bahamas Bishop Paul Leonard Hagarty , O.S.B., Bishop of Nassau (Bahamas)

1924: USA Bishop Leo Michael Haid , O.S.B., Vicar Apostolic of North Carolina (USA) and Abbot nullius of Belmont–Mary Help of Christians (USA)

1904: USA Bishop Louis Mary Fink , O.S.B., Bishop of Leavenworth (USA)

1895: USA Bishop Rupert Seidenbusch , O.S.B., Vicar Apostolic of Northern Minnesota (USA)

Houses

Members