District of Massachusetts / Appointed 2014 / Active
Portrait of Mark Gerald Mastroianni

Mark Gerald Mastroianni

Judge, U.S. District Court for the District of Massachusetts

Appointed by President Barack Obama in 2014 and confirmed by the Senate 922, Mark Gerald Mastroianni is a Judge on the U.S. District Court for the District of Massachusetts. He earned a law degree from Western New England College School of Law in 1989. Sources ↓

Born
1964 · age 62
Appointed by
Barack Obama, 2014
Confirmed
92–2
Education
American International College 1986 · Western New England College Law 1989

Federal judicial service

YearCourtAppointed byVote
2014District of MassachusettsObama (D)92–2

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

Confirmation vote

Nomination Confirmed 922 on June 4, 2014 · 113th Congress, Roll Call 171. Each senator links to their judicial-voting record.

Voted to confirm · 92

51 D, 39 R, 2 I

Voted against · 2

2 R

Did not vote · 6

2 D, 4 R

Education

American International CollegeB.A.1986
Western New England College School of LawJ.D.1989

Judicial Record

Caseload & case types

In our data, Mastroianni was assigned 1,908 district-court cases (1990–2026). Median time from filing to termination: 338 days across 1,585 closed cases.

Other civil matters26%
Civil rights18%
Contract10%
Personal-injury torts8%
Other federal statutes7%
Criminal6%
Other27%

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 99 of Mastroianni’s decisions reviewed on the merits by the U.S. courts of appeals in our data, 76 were affirmed, 17 reversed or vacated, and 6 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 Mark Gerald Mastroianni?
President Barack Obama appointed Mark Gerald Mastroianni to the U.S. District Court for the District of Massachusetts in 2014.
Was Mark Gerald Mastroianni appointed by a Democrat or a Republican?
Mark Gerald Mastroianni was appointed by President Barack Obama, a Democrat. JudicialFinder records the appointing president's party, not a judge's own politics.
What was Mark Gerald Mastroianni's confirmation vote?
The Senate confirmed Mark Gerald Mastroianni 92–2 on June 4, 2014.
Which court is Mark Gerald Mastroianni on?
Mark Gerald Mastroianni is a Judge on the U.S. District Court for the District of Massachusetts.

Sources

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

How we source & reconcile data → Data & Sources

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