Bishops
- Dubuque: Most Rev. Richard E. Pates, Apostolic Administrator
- Davenport: Most Rev. Thomas R. Zinkula
- Des Moines: Most Rev. William Joensen
- Sioux City: Most Rev. R. Walker Nickless
Priests
- Dubuque: Rev. Jerry Kopacek
- Davenport: Rev. Anthony Herold
- Des Moines: Rev. Ken Gross
- Sioux City: Msgr. Kevin McCoy
Religious Women
- Dubuque:
- Davenport: Sr. Bea Snyder, CHM
- Des Moines:
- Sioux City: Sr. Anne Marie Walsh, SOLT
Deacons
- Dubuque: Deacon Alan Christy
- Davenport: Deacon Bob Glaser
- Des Moines:
- Sioux City: Deacon Joe Coleman
Laymen
- Dubuque: Jack Mescher
- Davenport: Dennis Phelps
- Des Moines: Patrick Deluhery
- Sioux City: Don Evans
Laywomen
- Dubuque: Mary Christy
- Davenport: Sheri Benson
- Des Moines: Dr. Barbara Decker
- Sioux City: Lisa Niebuhr
Members at Large
- Dubuque:
- Davenport: Linda Molyneaux
- Des Moines: Laura Wenman
- Sioux City: