RefMetrics
NCAA Men's Referee Profiles
Explore career summaries, game counts, and officiating tendencies.
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JS
Justin Shamion
First Season: 2011-12
Last Season: 2025-26
Total Games: 399
Crew Chief: 50 (13%)
U1: 182 (46%)
U2: 167 (42%)
Home Wins: 70%
Home Fouls: 17.0
Away Fouls: 18.6
Foul Diff: 1.6
Attendance: 3,008
| Games | Total | 2025-26 | 2024-25 | 2023-24 | 2022-23 | 2021-22 | 2020-21 | 2019-20 | 2018-19 | 2017-18 | 2016-17 | 2015-16 | 2014-15 | 2013-14 | 2012-13 | 2011-12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Games | 399 | 58 | 42 | 40 | 38 | 44 | 26 | 28 | 14 | 28 | 21 | 18 | 18 | 12 | 9 | 3 |
| Crew Chief | 50 | 11 | 13 | 2 | 4 | 3 | 3 | 5 | 0 | 1 | 2 | 1 | 3 | 1 | 1 | 0 |
| U1 | 182 | 29 | 16 | 21 | 18 | 19 | 16 | 9 | 8 | 16 | 6 | 10 | 7 | 3 | 4 | 0 |
| U2 | 167 | 18 | 13 | 17 | 16 | 22 | 7 | 14 | 6 | 11 | 13 | 7 | 8 | 8 | 4 | 3 |
| NCAA Tournament | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| NIT Tournament | 4 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Pre/Mid-Season Tournament | 3 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Big Sky | 131 | 7 | 8 | 6 | 9 | 7 | 14 | 10 | 10 | 10 | 10 | 11 | 12 | 9 | 5 | 3 |
| WCC | 106 | 20 | 12 | 6 | 8 | 12 | 4 | 5 | 1 | 12 | 11 | 7 | 6 | 2 | 0 | 0 |
| WAC | 35 | 2 | 8 | 7 | 1 | 9 | 2 | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
| Big West | 23 | 5 | 8 | 2 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Big 12 | 21 | 15 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Summit | 19 | 0 | 0 | 0 | 3 | 5 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mountain West | 14 | 1 | 0 | 6 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| PAC 12 | 13 | 0 | 0 | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| MAC | 11 | 0 | 0 | 0 | 5 | 2 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Horizon | 6 | 0 | 0 | 0 | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Am. East | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CUSA | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| ACC | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Big 10 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| MVC | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| MAAC | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| American | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| SEC | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CAA | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Big East | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Crew Chief | U1 | U2 | Home | Away | Score | Fouls | Fee | Season $ |
|---|---|---|---|---|---|---|---|---|---|
| 2026-3-18 | Mark Fulton | Justin Shamion | Ray Ames | California | UIC | 91 - 73 | 15 - 14 | $2,000 | $147,600 |
| 2026-3-17 | Mark Fulton | Justin Shamion | Ray Ames | Seattle U | St. Thomas-Minnesota | 67 - 52 | 11 - 18 | $2,000 | $145,600 |
| 2026-3-13 | Deldre Carr | Justin Shamion | Eric Curry | UC Irvine | Cal State Northridge | 93 - 78 | 12 - 17 | $1,950 | $143,600 |
| 2026-3-10 | Deron White | Justin Shamion | Layne Barney | Portland State | Montana | 72 - 75 | 17 - 20 | $1,950 | $141,650 |
| 2026-3-9 | Ryan Holmes | Justin Shamion | Ray Ames | Montana | Northern Colorado | 95 - 89 | 16 - 19 | $1,950 | $139,700 |
| 2026-3-8 | Rick Crawford | Chris Hudson | Justin Shamion | Montana State | Idaho | 74 - 78 | 18 - 9 | $1,950 | $137,750 |
| 2026-3-7 | Bret Smith | Justin Shamion | Tyler Kumpf | Oklahoma State | Houston | 75 - 82 | 11 - 18 | $3,200 | $135,800 |
| 2026-3-5 | Justin Shamion | Justin Albrecht | John Jenkins Jr. | Southern Utah | Utah Valley | 88 - 92 | 21 - 19 | $1,650 | $132,600 |
| 2026-2-28 | Marques Pettigrew | Matthew Ruskasin | Justin Shamion | Arizona State | Utah | 73 - 60 | 6 - 13 | $3,200 | $130,950 |
| 2026-2-26 | Deron White | Justin Shamion | James Ford | Montana | Sacramento State | 81 - 73 | 16 - 17 | $1,950 | $127,750 |
| 2026-2-25 | Doug Shows | Doug Sirmons | Justin Shamion | Colorado | Kansas State | 79 - 70 | 15 - 19 | $3,200 | $125,800 |
| 2026-2-24 | Justin Shamion | Tyler Kumpf | Brooks Wells | Oklahoma State | West Virginia | 91 - 84 | 16 - 17 | $3,200 | $122,600 |
| 2026-2-21 | Marques Pettigrew | Justin Shamion | Eric Curry | BYU | Iowa State | 79 - 69 | 15 - 20 | $3,200 | $119,400 |
| 2026-2-19 | Mike Reed | Justin Shamion | Jason Garretson | Cal State Fullerton | UC Davis | 93 - 92 | 26 - 22 | $1,950 | $116,200 |
| 2026-2-18 | Deron White | Gregory Nixon | Justin Shamion | San Francisco | Gonzaga | 59 - 80 | 12 - 17 | $2,400 | $114,250 |
| 2026-2-14 | Justin Shamion | Tyler Kumpf | James Ford | UCF | West Virginia | 67 - 74 | 17 - 15 | $3,200 | $111,850 |
| 2026-2-12 | Justin Shamion | Chris Merlo | Wesley Ford | Southern Utah | California Baptist | 66 - 83 | 11 - 20 | $1,650 | $108,650 |
| 2026-2-7 | Jeff Campbell | Mark Fulton | Justin Shamion | UC Santa Barbara | UC Irvine | 84 - 79 | 12 - 22 | $1,950 | $107,000 |
| 2026-2-6 | Jeff Malham | Antinio Petty | Justin Shamion | Illinois State | Drake | 86 - 76 | 18 - 19 | $2,300 | $105,050 |
| 2026-2-4 | Darron George | Antinio Petty | Justin Shamion | Houston | UCF | 79 - 55 | 19 - 13 | $3,200 | $102,750 |
| 2026-1-31 | Ryan Holmes | Antinio Petty | Justin Shamion | San Francisco | Pacific | 87 - 82 | 12 - 22 | $2,400 | $99,550 |
| 2026-1-28 | Deldre Carr | Justin Shamion | Tyler Kumpf | Loyola Marymount | Oregon State | 69 - 72 | 12 - 11 | $2,400 | $97,150 |
| 2026-1-24 | Rick Crawford | Kelly Pfeifer | Justin Shamion | Oklahoma State | Iowa State | 71 - 84 | 21 - 18 | $3,200 | $94,750 |
| 2026-1-21 | Gregory Nixon | Justin Shamion | Chris Pacsi | Drake | Murray State | 101 - 90 | 23 - 28 | $2,300 | $91,550 |
| 2026-1-17 | Martin Cichocki | Justin Shamion | Jason Alabanza | Montana State | Montana | 76 - 67 | 11 - 19 | $1,950 | $89,250 |
| 2026-1-14 | John Gaffney | Justin Shamion | Tyler Kumpf | Texas Tech | Utah | 88 - 74 | 12 - 9 | $3,200 | $87,300 |
| 2026-1-10 | Justin Shamion | John Hampton | Wacey Lynn | Pepperdine | San Francisco | 60 - 80 | 11 - 22 | $2,400 | $84,100 |
| 2026-1-4 | Jimmy Casas | Justin Shamion | Layne Barney | Washington State | Oregon State | 81 - 67 | 17 - 21 | $2,400 | $81,700 |
| 2026-1-3 | Justin Shamion | John Jenkins Jr. | Jacob Hirz | UC San Diego | Hawai'i | 83 - 73 | 21 - 14 | $1,950 | $79,300 |
| 2026-1-2 | Justin Shamion | David Hall | Jason Garretson | Gonzaga | Seattle U | 80 - 72 | 13 - 20 | $2,400 | $77,350 |
| 2026-1-1 | Doug Sturdivan | D.G. Nelson | Justin Shamion | Montana State | Northern Colorado | 89 - 75 | 12 - 18 | $1,950 | $74,950 |
| 2025-12-30 | Rick Crawford | Justin Shamion | Chance Moore | Portland | Santa Clara | 85 - 92 | 18 - 14 | $2,400 | $73,000 |
| 2025-12-21 | Darron George | Justin Shamion | John Jenkins Jr. | Baylor | Southern | 111 - 67 | 15 - 21 | $3,200 | $70,600 |
| 2025-12-20 | Justin Shamion | Robert Felder | Chris Pacsi | Kansas State | South Dakota | 106 - 76 | 21 - 14 | $3,200 | $67,400 |
| 2025-12-17 | Ryan Holmes | Justin Shamion | Ben Cartmell | Oregon State | Sam Houston | 75 - 85 | 20 - 20 | $2,400 | $64,200 |
| 2025-12-13 | Jeb Hartness | Justin Shamion | Todd Austin | Georgia | Cincinnati | 84 - 65 | 17 - 21 | $3,300 | $61,800 |
| 2025-12-7 | D.J. Carstensen | Deldre Carr | Justin Shamion | Gonzaga | North Florida | 109 - 58 | 14 - 18 | $2,400 | $58,500 |
| 2025-12-6 | Gerald Williams | Justin Shamion | Scott Brown | Grand Canyon | Oklahoma State | 78 - 84 | 21 - 18 | $2,400 | $56,100 |
| 2025-12-3 | Justin Shamion | Alexander Thompson | Ray Ames | Montana | North Dakota State | 72 - 81 | 19 - 14 | $1,950 | $53,700 |
| 2025-11-27 | Pat Driscoll | Mike Littlewood | Justin Shamion | Creighton | Oregon | 76 - 66 | 14 - 17 | $3,000 | $51,750 |
| 2025-11-25 | Mike Littlewood | Byron Jarrett | Justin Shamion | Gonzaga | Maryland | 100 - 61 | 21 - 20 | $2,400 | $48,750 |
| 2025-11-24 | Byron Jarrett | Paul Szelc | Justin Shamion | Oregon | Auburn | 73 - 84 | 20 - 19 | $3,400 | $46,350 |
| 2025-11-23 | Justin Shamion | Chance Moore | Keith Patterson | Portland | St. Thomas-Minnesota | 66 - 76 | 18 - 12 | $2,400 | $42,950 |
| 2025-11-22 | Gene Grimshaw | Chris Hudson | Justin Shamion | Portland | Northern Colorado | 80 - 86 | 18 - 17 | $2,400 | $40,550 |
| 2025-11-21 | Darron George | Justin Shamion | Eric Curry | Colorado | UC Davis | 95 - 79 | 12 - 19 | $3,200 | $38,150 |
| 2025-11-20 | Doug Sirmons | Justin Shamion | Jeffrey Anderson | Houston | Rider | 91 - 45 | 12 - 11 | $3,200 | $34,950 |
| 2025-11-19 | Marques Pettigrew | Justin Shamion | Chris Pacsi | Saint Mary's | Arkansas State | 85 - 72 | 16 - 25 | $2,400 | $31,750 |
| 2025-11-18 | Deron White | Justin Shamion | Jason Garretson | California | Presbyterian | 67 - 57 | 9 - 15 | $3,200 | $29,350 |
| 2025-11-17 | Tony Padilla | Gregory Nixon | Justin Shamion | Oregon | Oregon State | 87 - 75 | 17 - 27 | $3,400 | $26,150 |
| 2025-11-15 | Shawn Lehigh | Justin Shamion | Grant Jeffres | UC Irvine | Weber State | 79 - 70 | 20 - 24 | $1,950 | $22,750 |
Showing 1-50 of 399 games
Tournament Games
| Tournament | Times Worked | Seasons |
|---|---|---|
| NIT | 4 | 2022-23, 2024-25, 2025-26 |
| Abe Lemons Classic | 1 | 2021-22 |
| Acrisure Holiday Classic - Campus Game | 1 | 2025-26 |
| BIG SKY MEN'S CHAMPIONSHIP - QUARTERFINAL | 4 | 2014-15, 2016-17, 2017-18, 2018-19 |
| Ball Dawgs Classic | 3 | 2023-24 |
| Big Sky Championship - 1st Round | 1 | 2020-21 |
| Big Sky Championship - 2nd Round | 1 | 2025-26 |
| Big Sky Championship - 3rd Round | 2 | 2024-25, 2025-26 |
| Big Sky Championship - Quarterfinal | 1 | 2020-21 |
| Big Sky Championship - Semifinal | 1 | 2025-26 |
| Big Sky-Summit Challenge | 3 | 2023-24, 2024-25, 2025-26 |
| Big West Championship - 1st Round | 1 | 2024-25 |
| Big West Championship - Semifinal | 1 | 2025-26 |
| CBI TOURNAMENT - 1st ROUND | 1 | 2017-18 |
| CIT - 1st ROUND | 1 | 2016-17 |
| CIT - 2nd ROUND | 1 | 2017-18 |
| COACHES vs CANCER CLASSIC | 1 | 2013-14 |
| ELGIN BAYLOR CLASSIC | 1 | 2018-19 |
| Emerald Coast Classic - Campus Game | 1 | 2023-24 |
| Empire Classic - Campus Game | 1 | 2025-26 |
| GREAT ALASKA SHOOTOUT | 6 | 2012-13, 2017-18 |
| GREAT ALASKA SHOOTOUT AT ANCHORAGE AK | 1 | 2012-13 |
| HARDWOOD SHOWCASE | 1 | 2016-17 |
| Holiday Hoopsgiving | 1 | 2025-26 |
| Jerry Colangelo Classic | 5 | 2021-22, 2022-23, 2023-24, 2025-26 |
| LEGENDS CLASSIC - SUBREGIONAL GAME | 1 | 2017-18 |
| MEN AGAINST BREAST CANCER SHOWCASE | 1 | 2017-18 |
| Mountain West Championship - Quarterfinal | 1 | 2023-24 |
| Pac-12 | 1 | 2023-24 |
| Players Era Festival | 3 | 2025-26 |
| Portland Invitational | 2 | 2025-26 |
| ROUNDBALL SHOWCASE | 1 | 2015-16 |
| SACRAMENTO STATE TOURNAMENT | 1 | 2015-16 |
| Stew Morrill Classic | 1 | 2024-25 |
| The Bad Boy Mowers Series - Spokane | 1 | 2025-26 |
| The Basketball Classic - 1st Round | 1 | 2021-22 |
| The Basketball Classic - Quarterfinal | 1 | 2021-22 |
| U.S. Bank Pilot Invitational | 1 | 2020-21 |
| WAC | 2 | 2021-22, 2024-25 |
| WAC/CUSA Challenge | 1 | 2024-25 |
| WEST COAST CONFERENCE MEN'S TOURNAMENT - QUARTERFINAL | 2 | 2016-17, 2017-18 |
| West Coast Hoops Showdown | 1 | 2024-25 |
| Zootown Classic | 2 | 2021-22 |
Justin Shamion Game Pace by Season
Total games worked across seasons, relative to each season's opening day
Estimated Salary Information
Salary estimates based on conference rates, tier level, and season adjustments. Rates vary by conference and year.
Career Summary
Current Tier: Tier 2
Career Total: $730,369
Total Games: 399
Avg per Game: $1,830
Highest Season: $147,600 (2025-26)
Season-by-Season Breakdown
| Season | Tier | Games | CC Games | U1/U2 Games | Total Earned | Avg per Game |
|---|---|---|---|---|---|---|
| 2025-26 | Tier 2 | 58 | 11 | 47 | $147,600 | $2,545 |
| 2024-25 | Tier 2 | 42 | 13 | 29 | $92,450 | $2,201 |
| 2023-24 | Tier 2 | 40 | 2 | 38 | $89,289 | $2,232 |
| 2022-23 | Tier 2 | 38 | 4 | 34 | $74,731 | $1,967 |
| 2021-22 | Tier 2 | 44 | 3 | 41 | $80,328 | $1,826 |
| 2020-21 | Tier 2 | 26 | 3 | 23 | $44,220 | $1,701 |
| 2019-20 | Tier 2 | 28 | 5 | 23 | $46,882 | $1,674 |
| 2018-19 | Tier 2 | 14 | 0 | 14 | $22,038 | $1,574 |
| 2017-18 | Tier 3 | 28 | 1 | 27 | $33,868 | $1,210 |
| 2016-17 | Tier 3 | 21 | 2 | 19 | $28,223 | $1,344 |
| 2015-16 | Tier 3 | 18 | 1 | 17 | $22,966 | $1,276 |
| 2014-15 | Tier 3 | 18 | 3 | 15 | $22,122 | $1,229 |
| 2013-14 | Tier 3 | 12 | 1 | 11 | $13,896 | $1,158 |
| 2012-13 | Tier 3 | 9 | 1 | 8 | $8,591 | $955 |
| 2011-12 | Tier 3 | 3 | 0 | 3 | $3,165 | $1,055 |
Justin Shamion Salary Pace by Season
Estimated cumulative salary earned across seasons, relative to each season's opening day