New York · est. 2013Thursday, September 24, 2026
Inside Immigration

Plain-language guides to US immigration, asylum and USCIS procedure.

Immigration judges

Nathaniel B. Walker

Immigration Judge, Santa Ana Immigration Court. Appointed February 2018 by Jeff Sessions.

Asylum record, FY 2021-2026

TRAC source →
Judge Walker76.7%
Santa Ana court76.5%
All judges nationally62.9%
Decisions on the merits
529
Asylum granted
95
Other relief granted
28
Denied
406
Against own court
+0.2 pts
Denial rate by fiscal year
FY23FY24FY25FY26
25%29%71%94%

Read from TRAC's chart to the nearest point. Years with fewer than 25 decisions are not shown.

Docket

Respondents represented by counsel: 88% (nationally, 81% are represented).

Most common nationalities: Mexico (25.3%), Colombia (14.2%), Nicaragua (10.4%), Guatemala (7%), India (7%).

Official biography

Attorney General Jeff Sessions appointed Nathaniel B. Walker to begin hearing cases in February 2018. Judge Walker earned a Bachelor of Arts degree in 1996 from Stanford University, a Master of Arts degree in 1998 from Boston College, and a Juris Doctor in 2002from the Boston College Law School. From 2014 to 2018, he served as an assistant U.S. attorney at the U.S. Attorney's Office, Central District of California, in Los Angeles. From 2009 to 2014,he served as an assistant chief counsel for Office of the Chief Counsel, Immigration and Customs Enforcement, Department of Homeland Security, in Adelanto and Los Angeles, Calif. From2006 to 2009, he served as an assistant Commonwealth's Attorney for the Commonwealth of Virginia, in both Pulaski and Montgomery counties, Va. From 2003 to 2006, he was an associate at Howrey LLP, in Washington, D.C. From 2002 to 2003, he served as a judicial clerk for the Honorable Peter A. Nowinski, U.S. District Court, Eastern District of California, in Sacramento,Calif. Judge Walker is a member of the California and Virginia State Bars and the District of Columbia Bar.

As published by the Executive Office for Immigration Review at appointment, via TRAC.

In the record

  • Executive Office for Immigration Review · 2018-02-08

    Executive Office for Immigration Review Swears in Five Immigration Judges

    EOIR announced that Attorney General Jeff Sessions appointed Nathaniel B. Walker to the Adelanto Immigration Court, beginning cases in February 2018. From 2014 to 2018 he was an assistant U.S. attorney in the Central District of California.

Other judges at Santa Ana

Court page →

About these figures. Denial rates describe outcomes in the cases a judge happened to hear, which differ by detention, nationality and representation. They are not a measure of fairness or competence. Method and sources are on the judges index.