Atlanta Men’s Roller DerbyAustin AnarchyBarrow InfernosBototos BandidosBridgetown Roller DerbyBrisbane City RollersCapital City HooligansCapital District Trauma AuthorityCarolina WreckingballsCasco Bay Roller DerbyChicago Bruise BrothersChinook City Roller DerbyCleveland Men’s Roller DerbyCollision Men’s DerbyCrash Test BrummiesDakota Men’s Roller DerbyDenver Ground ControlDerby Club le Cres Lattes MontpellierDetroit Men’s Roller DerbyFlour City Fear Men’s Roller DerbyGlasgow Men’s Roller DerbyGolden State HeatGranite City BrawlersHarm City Men’s DerbyHelsinki Coast Quads Roller DerbyHouston Men’s Roller DerbyKent Men’s Roller DerbyLane County ConcussionLight City DerbyLincolnshire Rolling ThunderMadRiders Men’s Roller DerbyMagic City MisfitsManchester Roller DerbyManneken BeastsMass MaelstromMen’s Roller Derby JapanTwin Cities Roller DerbyMohawk Valley Roller DerbyMontreal Men’s Roller DerbyNew Orleans Brass Roller DerbyNew York Shock ExchangeNorth Wales Roller DerbyNottingham Roller DerbyOklahoma Men’s Roller DerbyOrcet Roller DerbyPanam SquadPhiladelphia HooligansPittsburgh Blue StreaksPuget Sound Outcast DerbyRace City RebelsRoller Derby ToulouseSan Diego AftershocksSouthern DiscomfortSaint Louis GatekeepersSydney City SMASHTampa Bay Men’s Roller DerbyTampere Rollin’ BrosTexas Men’s Roller DerbyThe Inhuman LeagueToronto Men’s Roller DerbyLes Nordiks de TouraineTyne and Fear Roller DerbyVancouver MurderVarsity Derby LeagueVictoria Men’s Roller DerbyWest Swedish Roller Derby SocietyWheels of MayhemWisconsin Men’s Roller DerbyYour Mom Men’s Derby

MRDA Recognized Officials

  • Dark Pistol
    Position:
    Location:
    League Affiliation: 2703
    Region: No Region Specified
    Certified Since: 01/01/70
    Certification:
  • Darth Bling
    Position: Referee
    Location: Portland, Oregon
    League Affiliation: Portland
    Region: US Northwest
    Certified Since: 08/21/13
    Certification: None
  • Davie Darko
    Position: Referee
    Location: Rochester, NY
    League Affiliation: Roc City Roller Derby
    Region: No Region Specified
    Certified Since: 11/01/15
    Certification: r3
  • Deadfool
    Position: Referee
    Location: UK, England
    League Affiliation: Hulls Angles Roller Derby
    Region: Europe
    Certified Since: 04/23/15
    Certification: None
  • Deez Nuts
    Position:
    Location:
    League Affiliation: 3326
    Region: No Region Specified
    Certified Since: 01/01/70
    Certification:
  • Denominator
    Position: Referee
    Location:
    League Affiliation: No Teams Listed
    Region: Australia
    Certified Since: 03/15/19
    Certification: r2
  • Derby Devil Dog
    Position: Referee
    Location: Florida
    League Affiliation: Jacksonville Roller Girls
    Region: US Southeast
    Certified Since: 07/11/12
    Certification: None
  • Devilspawn
    Position: Referee
    Location:
    League Affiliation: 2729
    Region: No Region Specified
    Certified Since: 11/30/-1
    Certification: None
  • Digger I Zout
    Position: Referee
    Location: California
    League Affiliation: Drive By City Rollers
    Region: US Southwest
    Certified Since: 08/30/13
    Certification: None
  • DILLIGAF
    Position: Referee
    Location: Oklahoma City, OK
    League Affiliation: OKC Wolfpack
    Region: US South Central
    Certified Since: 06/25/15
    Certification: None
  • Dirty HŠrry
    Position: Referee
    Location:
    League Affiliation:
    Region: No Region Specified
    Certified Since: 11/30/-1
    Certification: None
  • DisorderLee
    Position: Referee
    Location: UK, England
    League Affiliation: SDRD
    Region: Europe
    Certified Since: 02/03/15
    Certification: None
  • DJ Scooby Doom
    Position: Referee
    Location: Westfield, MA
    League Affiliation: Non-Affiliated
    Region: US Northeast
    Certified Since: 01/25/12
    Certification: None
  • Doc Domino
    Position: Referee
    Location: Minnesota
    League Affiliation:
    Region: US North Central
    Certified Since: 05/13/16
    Certification: None
  • Doc Psycho
    Position: Referee
    Location: Indianapolis, IN
    League Affiliation: Race City Rebels
    Region: US North Central
    Certified Since: 09/15/16
    Certification: n2
  • Doc Skinner
    Position: Referee
    Location: Kansas City, MO
    League Affiliation: Cowtown Butchers
    Region: US South Central
    Certified Since: 11/01/12
    Certification: None
  • DominA-sha
    Position: Referee
    Location:
    League Affiliation:
    Region: No Region Specified
    Certified Since: 11/30/-1
    Certification: None
  • Don't Care Bear
    Position: Referee
    Location: NY
    League Affiliation: CDMRD
    Region: US Northeast
    Certified Since: 04/07/15
    Certification: None
  • Doogie Foulzher
    Position: Referee
    Location: California
    League Affiliation: independent
    Region: US Southwest
    Certified Since: 04/24/14
    Certification: None
  • Dor-Iain Grey
    Position: Referee
    Location: UK, England
    League Affiliation: Bath Roller Derby
    Region: Europe
    Certified Since: 10/25/16
    Certification: None
  • 1 3 4 5 6 7 108

Color Key

  • Australia
  • Canada
  • Europe
  • US - North Central
  • US - South Central
  • US - Northeast
  • US - Northwest
  • US - Southeast
  • US - Southwest