# Dillion J. Ambrose

Immigration Judge · [Chicago Immigration Court](/kyj/court/il/chicago-immigration-court)

Last updated October 25, 2026

## Dillion J. Ambrose at a glance

Current role

Immigration Judge

Court

[Chicago Immigration Court](/kyj/court/il/chicago-immigration-court)

Jurisdiction

Illinois · Federal

Judicial service

Active

## Immigration proceeding outcomes

No proceeding outcomes in this EOIR release are matched to this profile. Any separately published asylum statistics are available below.

## Biography

### Professional career

- a trial counsel for the U.S. Trustee Program, Department of Justice — 2024–January 2026
- From 2010 to 2011, he clerked for a federal district court judge in the District of Columbia
- an active-duty judge advocate with the U.S. Navy’s Judge Advocate General’s Corps and thereafter continues to serve in U.S. Navy Reserve, with positions including defense counsel, prosecutor, appellate defense counsel, appellate government counsel, and staff judge advocate — 2002–2010

### Education

- Marquette University Law School — J.D. (2002)
- Marquette University — B.A. (1998)

### Additional information

- Dillon J. Ambrose was appointed as a temporary immigration judge to begin hearing cases in February 2026.
- a civil litigator at a law firm in Milwaukee, Wisconsin — 2011–2024
- He holds the rank of captain.
- Judge Ambrose is a member of the State Bar of Wisconsin.

## Sources

Identity source checked August 19, 2026 .

Biography sources checked August 19, 2026 .

### DOJ EOIR current immigration judge directory

Identity source · HTML · Source checked August 19, 2026

### EOIR Policy Manual, Part II, Chapter 2.1 - Delivery and Receipt

Courtwide source · HTML · Source checked July 30, 2026

### EOIR Policy Manual, Part II, Chapter 2.3 - Documents

### EOIR Policy Manual, Part II, Chapter 3.10 - Interpreters

### EOIR Policy Manual, Part II, Chapter 3.11 - Courtroom Decorum

### EOIR Policy Manual, Part II, Chapter 3.12 - Electronic Devices

### EOIR Policy Manual, Part II, Chapter 3.15 - Individual Calendar Hearing

### Find an Immigration Court and Access Internet-Based Hearings

### Current EOIR official staff directory

Current EOIR Official Staff Directory source · HTML · Source checked October 7, 2026

[Public Records & Data Use](/public-records-data-use) · [Corrections policy](/corrections)


## Published courtroom rules

### Shared court rules

- [EOIR Practice Manual 2.1 — Delivery and Receipt](https://knowjudges.com/courtroom-rules/national-shared-set-c9195b4f0bba01a19aa8df41) — Immigration Court proceedings only, not BIA or OCAHO. Preserve chapter-specific proceeding limits. Section-specific exceptions, waivers, later amendments and case orders remain applicable. This is a source excerpt, not an exhaustive statement of the rule. [Official source](https://www.justice.gov/eoir/policy-manual-eoir/part-II/icpm/chapter-2-1). Collected 2026-10-27.
- [EOIR Practice Manual 3.11 — Courtroom Decorum](https://knowjudges.com/courtroom-rules/national-shared-set-8d8e8e8bf80478864645291a) — Immigration Court proceedings only, not BIA or OCAHO. Preserve chapter-specific proceeding limits. Section-specific exceptions, waivers, later amendments and case orders remain applicable. This is a source excerpt, not an exhaustive statement of the rule. [Official source](https://www.justice.gov/eoir/policy-manual-eoir/part-II/icpm/chapter-3-11). Collected 2026-10-27.
- [EOIR Practice Manual 2.3 — Documents](https://knowjudges.com/courtroom-rules/national-shared-set-53ee093be24c18a5d1a93046) — Immigration Court proceedings only, not BIA or OCAHO. Preserve chapter-specific proceeding limits. Section-specific exceptions, waivers, later amendments and case orders remain applicable. This is a source excerpt, not an exhaustive statement of the rule. [Official source](https://www.justice.gov/eoir/policy-manual-eoir/part-II/icpm/chapter-2-3). Collected 2026-10-27.