Learn Your Lawyer · Air Force · Defense Counsel
Joseph M. Groff
Counsel of record in 25 courts-martial in the Military Trial Results data
(25 as defense counsel, 0 as trial counsel)
Sep 2016 to Apr 2021
As Defense Counsel (Defending)
Average Contests Per Year: 3.1
Pleas When Defending
Who Decided the Case
Contested Panel Cases: 13 of 14
Findings When Defending, All Cases
Contested Findings (Defending)
| Decided By | Cases | Convicted | Partial | Acquitted |
|---|---|---|---|---|
| Judge Alone | 1 | 0 | 1 | 0 |
| Enlisted Panel | 7 | 1 | 1 | 5 |
| Officer Panel | 6 | 4 | 0 | 2 |
Sentences When Defending
Enlisted (18 Convictions)
No Punitive Discharge
7 of 18 Enlisted Convictions
UCMJ Articles When Defending
| Article | Cases | Contested | Convicted | Acquitted |
|---|---|---|---|---|
| Art. 112a Wrongful use, possession of controlled substances | 7 | 4 | 7 | 0 |
| Art. 134 General article | 6 | 2 | 6 | 0 |
| Art. 128 Assault | 3 | 2 | 3 | 1 |
| Art. 92 Failure to obey order or regulation | 3 | 0 | 3 | 0 |
| Art. 120 Rape and sexual assault | 2 | 1 | 2 | 1 |
| Art. 120c Other sexual misconduct | 2 | 0 | 2 | 0 |
| Art. 107 False official statements | 1 | 1 | 1 | 0 |
| Art. 111 (former: Drunken or reckless driving) | 1 | 1 | 1 | 0 |
| Art. 114 Endangerment offenses | 1 | 0 | 1 | 0 |
| Art. 120b Rape and sexual assault of a child | 1 | 0 | 1 | 0 |
| Charges not listed in the record | 7 | 7 | 0 | 7 |
Judges, Most Cases Together
Opposing Counsel, Most Cases
- Brandon M. Bierlein 4
- Jon W. Anderson 4
- Andrew N. Trejo 3
- Allison R. Barbo 2
- Ashley N. Davenport 2
- Helen M. Guthrie 2
- Kevin L. Mitchell 2
- Lindsey K. Parsons 2
Where
- Peterson SFB, Colorado 6
- Nellis AFB, Nevada 4
- Holloman AFB, New Mexico 3
- USAF Academy, Colorado 3
- Vandenberg SFB, California 1
- Creech AFB, Nevada 1
- JB Lewis-McChord, Washington 1
- Mountain Home AFB, Idaho 1
Court-Martial Data and Trends
Data from public court-martial records on the installations and UCMJ articles in these cases.
- Peterson SFB, Colorado: Court-Martial Data and Trends
- Nellis AFB, Nevada: Court-Martial Data and Trends
- Holloman AFB, New Mexico: Court-Martial Data and Trends
- Article 112a (Wrongful Use, Possession of Controlled Substances): Court-Martial Data and Trends
- Article 134 (General Article): Court-Martial Data and Trends
- Article 92 (Failure to Obey Order or Regulation): Court-Martial Data and Trends
- Article 128 (Assault): Court-Martial Data and Trends
More Air Force Lawyers
- Abbigayle C. Hunter 66
- Joseph A. Lingenfelter 53
- Brandon M. Bierlein 50
- Logan W. Liles 49
- Kaylee R. Gum 43
- David M. Cisek 41
- Andrew N. Trejo 40
- Joshua F. Joyce 39
- Jasmine J. Prokscha 38
- Jason J. Zummo 38
- Alexander A. Navarro 35
- Jovan S. Legister 35
Counsel of record means this lawyer is listed as defense counsel or trial counsel in the public record of the case. Most cases list more than one lawyer on each side, and the records do not say who led or who argued, so the numbers describe cases this lawyer was counsel on, not individual wins or losses. Pages cover military counsel only; civilian counsel appear in lists by name. Percentages are shown for every count, however small, so check the number of cases behind each one. The Army records say whether there was a plea agreement, not what it said; Air Force records do not report plea agreements, and many Air Force records from 2016 to 2020 do not list the plea. In the article tables one case counts under each article charged, and Air Force records rarely list the charges in cases that ended in acquittal (those show as Charges not listed in the record). Member Retained means the sentence did not include a punitive discharge; it does not rule out a later administrative separation. Mixed Plea* means the record lists a guilty plea but the case ended in a partial acquittal, so at least one charge was contested (a mixed plea, or a guilty plea to a lesser offense). Contested cases are those with a not guilty or mixed plea, plus any case that ended in an acquittal or partial acquittal even when the record does not list the plea.
Source: public records of trial published by each service under Article 140a, UCMJ, as collected for the Military Trial Results page (data updated October 29, 2026). Counts reflect only the cases in this data and may be incomplete. Names are shown as published in the source records.
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