
Mark Gerald Mastroianni
Appointed by President Barack Obama in 2014 and confirmed by the Senate 92–2, 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
- Succeeded
- Michael Adrian Ponsor
Federal judicial service
| Year | Court | Appointed by | Vote |
|---|---|---|---|
| 2014 | District of Massachusetts succeeded Michael Adrian Ponsor | Obama (D) | 92–2 |
Party letters show the appointing president’s party, not the judge’s own.
Confirmation vote
Nomination Confirmed 92–2 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
- Lamar Alexander(R-TN)
- Kelly Ayotte(R-NH)
- Tammy Baldwin(D-WI)
- John Barrasso(R-WY)
- Mark Begich(D-AK)
- Michael Bennet(D-CO)
- Richard Blumenthal(D-CT)
- Roy Blunt(R-MO)
- Barbara Boxer(D-CA)
- Sherrod Brown(D-OH)
- Richard Burr(R-NC)
- Maria Cantwell(D-WA)
- Ben Cardin(D-MD)
- Thomas Carper(D-DE)
- Saxby Chambliss(R-GA)
- Dan Coats(R-IN)
- Tom Coburn(R-OK)
- Susan Collins(R-ME)
- Christopher Coons(D-DE)
- Bob Corker(R-TN)
- John Cornyn(R-TX)
- Mike Crapo(R-ID)
- Joe Donnelly(D-IN)
- Richard Durbin(D-IL)
- Michael Enzi(R-WY)
- Dianne Feinstein(D-CA)
- Deb Fischer(R-NE)
- Jeff Flake(R-AZ)
- Al Franken(D-MN)
- Kirsten Gillibrand(D-NY)
- Lindsey Graham(R-SC)
- Chuck Grassley(R-IA)
- Kay Hagan(D-NC)
- Tom Harkin(D-IA)
- Orrin Hatch(R-UT)
- Martin Heinrich(D-NM)
- Heidi Heitkamp(D-ND)
- Dean Heller(R-NV)
- Mazie Hirono(D-HI)
- John Hoeven(R-ND)
- Jim Inhofe(R-OK)
- Johnny Isakson(R-GA)
- Mike Johanns(R-NE)
- Tim Johnson(D-SD)
- Ron Johnson(R-WI)
- Timothy Kaine(D-VA)
- Angus King(I-ME)
- Mark Kirk(R-IL)
- Amy Klobuchar(D-MN)
- Mary Landrieu(D-LA)
- Patrick Leahy(D-VT)
- Carl Levin(D-MI)
- Joe Manchin(D-WV)
- Edward Markey(D-MA)
- John McCain(R-AZ)
- Claire McCaskill(D-MO)
- Mitch McConnell(R-KY)
- Robert Menendez(D-NJ)
- Jeff Merkley(D-OR)
- Barbara Mikulski(D-MD)
- Jerry Moran(R-KS)
- Lisa Murkowski(R-AK)
- Christopher Murphy(D-CT)
- Patty Murray(D-WA)
- Bill Nelson(D-FL)
- Rob Portman(R-OH)
- Mark Pryor(D-AR)
- Jack Reed(D-RI)
- Harry Reid(D-NV)
- James Risch(R-ID)
- Jay Rockefeller(D-WV)
- Marco Rubio(R-FL)
- Bernie Sanders(I-VT)
- Brian Schatz(D-HI)
- Charles Schumer(D-NY)
- Timothy Scott(R-SC)
- Jeff Sessions(R-AL)
- Jeanne Shaheen(D-NH)
- Richard Shelby(R-AL)
- Debbie Stabenow(D-MI)
- Jon Tester(D-MT)
- John Thune(R-SD)
- Pat Toomey(R-PA)
- Mark Udall(D-CO)
- Tom Udall(D-NM)
- David Vitter(R-LA)
- John Walsh(D-MT)
- Mark Warner(D-VA)
- Elizabeth Warren(D-MA)
- Sheldon Whitehouse(D-RI)
- Roger Wicker(R-MS)
- Ron Wyden(D-OR)
Did not vote · 6
2 D, 4 R
- Cory Booker(D-NJ)
- John Boozman(R-AR)
- Bob Casey(D-PA)
- Thad Cochran(R-MS)
- Mike Lee(R-UT)
- Pat Roberts(R-KS)
Education
| American International College | B.A. | 1986 |
| Western New England College School of Law | J.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.
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.
- FJC Biographical Directory
- Wikidata
- Portrait: DIF Design, under commission of the Hampden County, Massachusetts, District Attorney's Office (Public domain), via Wikimedia Commons
- Confirmation roll-call (Senate.gov, 2014)
How we source & reconcile data → Data & Sources
See something wrong? Report an error. Fixes are logged in the corrections log.
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).