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MURIEL BOWSER
MAYOR
December 4, 2025
The Honorable Phil Mendelson
Chairman
Council of the District of Columbia
John A. Wilson Building
1350 Pennsylvania Avenue, NW, Suite 504
Washington, DC 20004
Dear Chairman Mendelson:
In accordance with section 2 of the Confirmation Act of 1978, effective March 3, 1979 (D.C. Law 2-
142; D.C. Official Code § 1-523.01), and pursuant to section 3 of the Office of District Waterways
Management Establishment Act of 2022, effective March 22, 2023 (D.C. Law 24-336; D.C. Official
Code§ 8-191.02), I am pleased to nominate the following individual:
Ms. Diane C. Groomes
Water Street, SW
Washington, DC 20024
(Ward 6)
for appointment as an individual with experience in public safety member of the District Waterways
Advisory Commission, filling a new seat, for an initial term to end April 19, 2026, and for a subsequent
term to end April 19, 2030.
Enclosed, you will find biographical information detailing the experience of the above-mentioned
nominee, together with a proposed resolution to assist the Council during the confirmation process.
I would appreciate the Council's earliest consideration of this nomination for confirmation. Please
do not hesitate to contact me, or Steven Walker, Director, Mayor's Office of Talent and
Appointments, should the Council require additional information.
1
2 airman Phil Mendelson
3 at the request of the Mayor
4
5
6 A PROPOSED RESOLUTION
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8
9
10 IN THE COUNCIL OF THE DISTRICT OF COLUMBIA
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12
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15 To confirm the appointment of Diane C. Groomes to the District Waterways Advisory
16 Commis .sion.
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18 RESOLVED, BY THE COUNCIL OF THE DISTRICT OF COLUMBIA, That this
19 resolution may be cited as the "District Waterways Advisory Commission Diane C. Groomes
20 Confirmation Resolution of 2025''.
21 Sec. 2. The Council of the District of Columbia confirms the appointment o.f
22
23 Diane C. Groomes
24 Water Street, SW
25 Washington, DC 20024
26 (Ward 6)
27
28 as an individual with experience in public safety member of the District Waterways Advisory
29 Commission, established by section 3 of the Office of District Waterways Management
30 Establishment Act of 2022, effective March 22, 2023 (D.C. Law 24-336; D.C. Official Code§ 8-
31 191.02), filling a new seat, for an initial term to end April 19, 2026, and for a subsequent term to
32 end April 19, 2030.
33 Sec. 3. The. Council of the District of Columbia shall transmit a copy of this resolution,
34 upon its adoption, to the nominee and to the Office of the Mayor.
35 Sec. 4. This resolution shall take effect immediately.
Diane C Groomes
Single,BominPittsburgh,PA
ResideinWashingtonDC,SouthwestDC (ward6)
B.A.IndianaUniversityofPennsylvania,Indiana,PA
CriminologyDegreeAwardedJune1988
HeldaSecretClearanceissuedbytheUnitedStatesGovernmentDepartmentofHomelandSecurity
JoinedMetropolitanPoliceDepartmentonOctober9,1990.AssignedtotheFourthDistrict,EveningSectioninUniformPatrol.
1993,SelectedasPatrolFirstClassofficer
1993,promotedtoMasterPatrolOfficerandworkedintheFourthDistrictUniformPatrol,Evenings(trainedover65officers)
March1996,PromotedtoSergeantandassignedtotheFifthDistrict,PatrolSection,
July1997-September1997assignedtoHomicideDivisionunderthenewReorganizationofHomicideBranch,sergeant
September1997,reassignedtoFifthDistrictPatrolSectionandpartimplementationteamoftheNewPATROLplan-PSA
conceptimplementedinMPD...PSA510wasgivenaCouncilDeclarationofPSAMODEL forMPD/DCin1998
April2000,PromotedtoLieutenantandassignedtotheThirdDistrictPatrolSection.GivendutiesoftwoPatrolServiceAreasandPowershiftunit.AlsocreatedandledtheThirdDistrictStreetCrimesunitfrom2004-2005.Majorsuccessandmajorcrimereductions
March2004,PromotedtoCaptainandassignedtotheThirdDistrictastheAssistantDistrictCommander.
-teammemberoftheCoreteaminWARD2 andWARD 1
‘August2004,PromotedtoInspectorofThirdDistrictSubstation
Createdseveralcommunitypolicingconceptsandyouthprograms
‘August2005,PromotedtoCommander,FirstDistrict
‘CommandedlargestpatroldistrictintheDepartmentandhadcrimereductionseachfiscalyear
‘September2007,PromotedtoAssistantChiefofPatrolServicesandSchoolSafetyBureau
May 2017,RetiredfromtheMetropolitanPoliceDepartmentasAssistantChiefof Police,PatrolServicesBureau
Hadaresponsibiltyforover2700patrolofficersandschoolSafetyDivisionanddevelopmentimplementationofstrategiccrimeplansandcommunity‘engagement.AlsopreviouslyhadresponsibiltyovertheCentralCellblocklandPrisonerProcessinguntilDepartmentofCorrectionstookoverin2014,inwhichiledtheteamonthetransitionofsuch.AlsohavehadtheSpecialLiaisonUnitsandLanguageAccessProgram,YouthOutreachand‘communitypolicing;responsibleforbudgetofover16millionannuallyforthePatrolserviceBureau
May2017topresent;DirectorofPublicSafetyandSecurityattheDistrictWharf,SWWaterfront,WashingtonDC.
HavearesponsibiltytoensurethereaisarobustsecurityplanandprograminplacefortheDistrictWharf,aneighborhoodthathashadover80milionvisitorssinceitsopeninginOctober2017,andhasretail,residential,hotel,officeandwaterfrontentities;leadateamof30securityprofessionalsandmaintaina 24-hourcommandcenter;collaboratewithrelevantDC‘Governmentagencies
SMIP~ManagementCertificate2005
HarvardBusinessSchoo!Program—IWF2010CambridgeBusinessSchoolProgram—IWF2010SouthernPoliceInstitute~ExecutiveLeadership~May2015
InternationalWomens Forum 2018 (Fellowin2009/10)
JuniorLeagueofWashingtonDC2019(steeringcommittee2023topresent)
DeltaGammaFratemityAlumnaeIACP~ChiefsofPoliceWALA-WomeninLawEnforcementASISInternational
AORP—membersinceSept2017andlocalSW DC chapter2019SocialcommitteememberformyCondominum25 WaterSTSWRetiredAssociationofRetiredPoliceofficers~DMV areaIndianaUniversityofPennsylvaniaalumnae
Training
RHI-ResponsibilityHospitalityInstitute
BasicPoliceRecruitTraining
CivilDisturbanceUnitTrainingDetectingDangerCourse
FirstLineSupervisorCoursePatrolStaffing,Scheduling,DeploymentCourse
PoliceContinuingEducationProgram
HowtoDealwithEmployeeAttitudeProblems
‘SexualHarassmentPreventionCoursePersonnelDeploymentCourse
VerbalJudoforSupervisorsIntroductiontoEthicsTrainingCourseASPCertification
LeadershipandCommandCourseMidLevelManagementCoursePoliceExecutiveDevelopmentProgramPOLEX~1
‘AdvancedPoliceExecutiveDevelopmentProgramPOLEX-2
‘WeaponsofMassDestructionandExplosiveDevisesNationalIncidentManagementSystem-FEMACommandStaffIncidentManagementTrainingDC-EMALawEnforcementIncidentCommandSystemNimsExecutiveLeadershipMediaWorkshopFBISchoolSafetyManagement/Security
NightifeAssociationConferenceandSeminars2019(Philly,PA),2022(washingtondc)
AIOBAconferencesonSafetyandTerrorismtrainingsessions20192023-34
IWE(2019/2021)(current2024-2026)
DC GO GO museum(2023topresent)
HerResiliency(2017to2019)
FarSoutheastFamilyColloborative—DC(2017topresesnt)
AnacostiaCoordinatingCouncil-DC(2017topresent)
NE PerformingARTSCenter~DC (2020)
CalvinWoodlandFoundation—DC
ExecutiveOfficeoftheMayor—Mayor’sOfficeofTalentandAppointments
JohnA.WilsonBuilding|1350PennsylvaniaAvenue,Suite600|Washington,DC 20004
DianeC.Groomes
Ms.DianeGroomesiscurrentlyemployedastheDirectorofSecurityandPublicSafetyfortheDistrictWharf-SouthwestWaterfront.Shejoinedthe
|DistrictWharfafterserving27yearswiththeMetropolitanPoliceDepartment.TenofthoseyearswereastheAssistantChiefofPatrolServices,wheresheledfieldoperationsforallsevenofthepatroldistricts,|theschoolsafetydivision,thespecialliaisondivision,andcommunityoutreachfortheDepartment.
DuringhertenurewiththeMetropolitanPoliceDepartment,Ms.Groomes|builtandmaintainedvastcommunityrelationshipsthroughouttheDistrict,andsupportedawiderangeofyouthwork.ShebuiltstrongpartnershipsandcollaborationswithnumerousDCagenciesandvariouscommunityorganizationstoimprovethelivesofthosethatlive,workandvisitWashingtonDC.
‘AWard6resident,Ms.GroomeseamedherBachelorofScienceinCriminologyfromtheIndianaUniversityofPennsylvania,
GOVERNMENTOFTHEDISTRICTOFCOLUMBIA.
ExecutiveOfficeofMayorMurielBowser
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WE AREWASHINGTON
allOfficeoftheGeneralCounseltotheMayor
To: KimberlyA.Bassett,SteveWalkerFrom: BetsyCavendishDat November5,2025Subject: Legalsufficiencyreviewofa resolutionappointingDianeC.GroomesasamemberoftheDistrictWaterwaysAdvisoryCommission
This istoCertifythatthisofficehasreviewedtheabove-referencedresolutionandfoundittobelegallyunobjectionable.Ifyouhaveanyquestionsinthisregard,pleasedonothesitatetocallMichaelPorcello,DeputyGeneralCounsel,ExecutiveOfficeoftheMayor,at202-727-0872,ormeat202-724-7681.
‘ThelomnA.WikonBuilding>1350PonnayhaniaAvanos,NW + Sute300+ Washington,DC.20004> OfficeG02) 4-708