---
title: "Kenneth Kiyul Lee | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/kenneth-kiyul-lee"
page_type: "judge_profile"
updated: "2026-10-09"
---

# Kenneth Kiyul Lee

U.S. Court of Appeals for the Ninth Circuit · U.S. Circuit Judge

## Profile

- Court: U.S. Court of Appeals for the Ninth Circuit
- State: National federal courts
- Role: U.S. Circuit Judge
- Service status: active
- Last verified: 2026-07-25

## Summary

Official statewide and applicable court procedural guidance applies to this judge.

## Biography

### Professional career

- Judge, Court of Appeals for the Ninth Circuit, 2019-present
- Kenneth Kiyul Lee is a South Korean–born American lawyer and judge who serves as a United States circuit judge on the U.S. Court of Appeals for the Ninth Circuit, a position he has held since June 12, 2019
- Partner at Jenner & Block’s Los Angeles office (2009–2019)
- Law clerk to Judge Emilio M. Garza (5th Circuit, U.S. Court of Appeals), 2000–2001
- Law Clerk, Court of Appeals for the Fifth Circuit, 2000-2001

### Education

- Harvard University — J.D. (2000)
- J.D. magna cum laude from Harvard Law School in 2000
- B.A. summa cum laude in government from Cornell University in 1997

### Additional information

- Special counsel, U.S. Senate Committee on the Judiciary, 2005-present
- The Senate confirmed him on May 15, 2019 by a 52–45 vote, and he received his commission on June 12, 2019.
- Private practice, Los Angeles, CA, 2009-2019
- President Donald J. Trump nominated Lee on November 13, 2018 to replace Stephen Reinhardt on the Ninth Circuit.
- Adjunct faculty at Pepperdine University School of Law (2010–2011)
- Adjunct faculty member, Pepperdine Law School, 2010-2011
- Associate counsel and special assistant, President George W. Bush, 2006-2009
- Private practice, New York City, 2001-2006
- Associate at Wachtell, Lipton, Rosen & Katz in New York (2001–2006), including high-profile 9/11 litigation
- Lee was born August 30, 1975, in Seoul, South Korea, and moved to the United States with his family at age four after the 1979 military coup.
- Date of birth: 1975-01-01
- Based in San Diego, California.
- Lee has litigated consumer class actions in food, technology, and healthcare sectors, and has provided pro bono representation to indigent and incarcerated individuals.
- He grew up in Los Angeles’ Koreatown.
- In summary: Kenneth Kiyul Lee is a highly educated, experienced appellate judge with a background in high-profile litigation, government service, and academic teaching, now serving on one of the most influential federal appellate courts in the United States.
- Birth place: Seoul, South Korea

## Before you appear

- Read the judge-specific standing order first when one is listed.
- Check the docket and case orders for requirements that supersede broader guidance.
- Confirm current remote-access and courtroom technology arrangements before the proceeding.

## Courtroom Rules

### appellate oral argument

Scope: courtwide

In federal courts of appeals, oral argument is allowed unless a three-judge panel unanimously finds one of Rule 34's specified grounds for dispensing with it; the clerk provides the date, time, place, and time allocation.

Evidence excerpt: Oral argument must be allowed in every case unless a panel of three judges who have examined the briefs and record unanimously agrees that oral argument is unnecessary

[Federal Rule of Appellate Procedure 34, Oral Argument](https://www.uscourts.gov/forms-rules/current-rules-practice-procedure/federal-rules-appellate-procedure)
Source checked: 2026-07-26


## Sources

- [Official profile](https://www.fjc.gov/node/6453086)
- [Official roster](https://www.fjc.gov/node/6453086)
- [Federal Judicial Center biography](https://www.fjc.gov/node/6453086)
- [CourtListener judicial biographical directory](https://www.courtlistener.com/person/8657/kenneth-kiyul-lee/)
- [Federal Rule of Appellate Procedure 34, Oral Argument](https://www.uscourts.gov/forms-rules/current-rules-practice-procedure/federal-rules-appellate-procedure)
- [CourtListener judicial biographical directory](https://www.courtlistener.com/person/8657/kenneth-kiyul-lee/)
- [Wikidata: Kenneth K. Lee](https://www.wikidata.org/wiki/Q57242778)

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