Who appointed John Arnold Kronstadt?

President Barack Obama appointed John Arnold Kronstadt to the U.S. District Court for the Central District of California in 2011.

Was John Arnold Kronstadt appointed by a Democrat or a Republican?

John Arnold Kronstadt was appointed by President Barack Obama, a Democrat. JudicialFinder records the appointing president's party, not a judge's own politics.

What was John Arnold Kronstadt's confirmation vote?

The Senate confirmed John Arnold Kronstadt 96–0 on April 12, 2011.

Central District of California / Appointed 2011 / Senior status since 2022

John Arnold Kronstadt

Judge, U.S. District Court for the Central District of California

Appointed by President Barack Obama in 2011 and confirmed by the Senate 96–0, John Arnold Kronstadt is a Judge on the U.S. District Court for the Central District of California. He earned a law degree from Yale Law School in 1976. Sources ↓

Born: 1951 · age 75
Appointed by: Barack Obama, 2011
Confirmed: 96–0
Education: Cornell 1973 · Yale Law School 1976
Succeeded: Florence-Marie Cooper
Succeeded by: Monica Ramirez Almadani

Federal judicial service

Year	Court	Appointed by	Vote
2011	Central District of California succeeded Florence-Marie Cooper	Obama (D)	96–0

Party letters show the appointing president’s party, not the judge’s own.

Confirmation vote

Nomination Confirmed 96–0 on April 12, 2011 · 112th Congress, Roll Call 58. Each senator links to their judicial-voting record.

Voted to confirm · 96

51 D, 43 R, 2 I

Did not vote · 4

4 R

Education

Cornell University	B.A.	1973
Yale Law School	J.D.	1976

Judicial Record

Caseload & case types

In our data, Kronstadt was assigned 5,106 district-court cases (1985–2026). Median time from filing to termination: 139 days across 4,705 closed cases.

Other civil matters32%

Civil rights15%

Intellectual property12%

Other federal statutes9%

Contract7%

Labor & ERISA6%

Other21%

Case assignment is from CourtListener’s PACER-derived docket records: a partial sample, not a complete caseload, reflecting the judge last assigned each case. How we count.

On appeal

Of 216 of Kronstadt’s decisions reviewed on the merits by the U.S. courts of appeals in our data, 171 were affirmed, 29 reversed or vacated, and 16 affirmed in part and reversed in part. This is a historical count of appellate outcomes for cases we could match, not a judgment of the judge, and not a complete record. How we count.

Questions & answers

Who appointed John Arnold Kronstadt?: President Barack Obama appointed John Arnold Kronstadt to the U.S. District Court for the Central District of California in 2011.
Was John Arnold Kronstadt appointed by a Democrat or a Republican?: John Arnold Kronstadt was appointed by President Barack Obama, a Democrat. JudicialFinder records the appointing president's party, not a judge's own politics.
What was John Arnold Kronstadt's confirmation vote?: The Senate confirmed John Arnold Kronstadt 96–0 on April 12, 2011.
Which court is John Arnold Kronstadt on?: John Arnold Kronstadt is a Judge on the U.S. District Court for the Central District of California.

Sources

Each fact on this page traces to a primary public record.

How we source & reconcile data → Data & Sources

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15 years on the U.S. District Court for the Central District of California. Data as of 2026-08-10. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).