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MURIELBOWSERMAYOR
January6,2026
TheHonorablePhilMendelsonChairmanCounciloftheDistrictofColumbiaJohnA.WilsonBuilding1350PennsylvaniaAvenue,NW,Suite504
Washington,DC20004
DearChairmanMendelson:
Inaccordancewithsection2oftheConfirmationActof1978,effectiveMarch3,1979(D.C.Law2-
142;D.C.OfficialCode§ 1-523.01),andpursuanttosection12oftheDepartmentofForensicSciencesEstablishmentActof2011,effectiveAugust17,2011(D.C.Law19-18;D.C.OfficialCode§5-1501.11),Lampleasedtonominatethefollowingindividual:
Dr.RogerKahnWillowhavenDriveLaCrescenta,CA 91214
forreappointmentasascientistwithexperienceinscientificresearchandmethodologywhohaspublishedinpeer-reviewedscientificjournalsmemberoftheScienceAdvisoryBoard,foratermtoend April 18,2029.
Enclosed,youwillfindbiographicalinformationdetailingtheexperienceoftheabove-mentionednominee,togetherwithaproposedresolutiontoassisttheCouncilduringtheconfirmationprocess.
Iwould appreciatetheCouncil’s earliestconsiderationofthis nomination forconfirmation.Please
do not hesitateto contact me, or Steven Walker, Director, Mayor’s Office of Talent and
Appointments,shouldtheCouncilrequireadditionalinformation.
Sincerely,
‘MupielBhwser
Mayor
l
2 hairman Phil Mendelson
3 at the request of the Mayor
4
5
6 A PROPOSED RESOLUTION
7
8
9
10 IN THE COUNCIL OF THE DISTRICT OF COLUMBIA
11
12
13
14
15 To confirm the reappointment of Dr. Roger Kahn to the Science Advisory Board.
16
17 RESOLVED, BY THE COUNCIL OF THE DISTRICT OF COLUMBIA, That this
18 resolution may be cited as the "Science Advisory Board Dr. Roger Kahn Confirmation
19 Resolution of 2026".
20 Sec. 2. The Council of the District of Columbia confirms the reappointment of:
21
22 Dr. Roger Kahn
23 Willowhaven Drive
24 La Crescenta, CA 91214
25
26 as a scientist with experience in scientific research and methodology, who has published in peer-
27 reviewed scientific journals member of the Science Advisory Board, established by section 12 of
28 the Department of Forensic Sciences Establishment Act of 2011, effective August 17, 2011
29 (D.C. Law 19-18.; D.C. Official Code§ 5-1501.11), for a term to end April 18, 2029.
30 Sec. 3. The Council of the District of Columbia shall transmit a copy of this resolution,
31 upon its adoption, to the nominee and to the Mayor.
32 Sec. 4. This resolution shall take effect immediately.
RogerKahn,Ph.D.,ABC-MB
ProfessionalExperience
2020-2021SeniorDirector,CrimeLabServices,HarrisCountyInstituteofForensicSciences,Houston,Texas,retiredMay2021
2012-2020CrimeLaboratoryDirector,HarrisCountyInstituteofForensicSciences,Houston,Texas
2005-2013ForensicGeneticsDirector,HarrisCountyInstituteofForensicSciences,Houston,Texas
1997-2005DeputySuperintendent,OhioBureauofCriminalIdentificationandInvestigation,London,Ohio
1996-1997DNALabDirector,OhioBureauofCriminalIdentificationandInvestigation,London,Ohio
1988~1996CriminalistIl,DNASpecialist,Miami-DadePDCrimeLaboratoryBureau,Miami,Florida
1987-1988AssociateResearchScientist,YaleUniversity,Dept.ofTherapeuticRadiology
1985-1987PostdoctoralFellow,YaleUniversity,Dept.ofTherapeuticRadiology
1983-1985PostdoctoralAssociate,YaleUniversity,Dept.ofTherapeuticRadiology
1975-1976Biologist,ScienceSpectrum,Inc.,SantaBarbara,California
Education
1983Ph.D.,HumanGenetics,YaleUniversity
1975B.A.,Biology,UniversityofCaliforniaatSantaBarbara
Certification,License,ProfessionalOrganizationsandAppointments
‘AmericanAcademyofForensicSciences,FellowAmericanBoardofCriminalistics,MolecularBiologyCertification(ABC-MB)(2009topresent)LicensedbytheStateofTexasasForensicAnalyst,ForensicBiology/DNAAnalyst(retired2021)
TexasAssociationofCrimeLaboratoryDirectors,President,2016-2018
AmericanSocietyofCrimeLaboratoryDirectorsChair,DNACredentialsReviewCommittee,1997~2002RepresentativetoSWGDAM,1996~ 2004BoardofDirectors,2001~2005President,2003-2004
EmeritusMember,2021-Present
ConsortiumofForensicScienceOrganizationsBoardofDirectors,2003to2005Vice-Chair,2004
JournalofForensicSciencesEditorialBoardMember,1993-2003
NationalAcademyofSciences,PlanningPanelMember,DNAForensicScience:AnUpdate,1993
NationalForensicScienceTechnologyCenterLaboratoryAuditor,1998to2005
OfficeofTechnologyAssessmentreporttotheU.S.Congress,GeneticWitness:ForensicUsesofDNATests,Reviewer,1990
FBIScientificWorkingGrouponDNAAnalysisMethods(originallyFBITechnicalWorkingGrouponDNAAnalysisMethods),FBIAcademy,Quantico,Virginia,Member,1989-2004
NUTechnicalWorkingGrouponGeneralForensics,2004to2010
NationalAcademyofSciences,ReviewerfortheNationalResearchCouncilReport,StrengtheningForensicScienceintheUnitedStates:APathForward,February2009NorthCarolinaForensicScienceAdvisoryBoardfortheNorthCarolinaStateCrimeLab,2012-2016
NationalForensicScienceTechnologyCenterLaboratoryAuditor,1998to2005
NationalInstituteofJusticeSpecialProjectsConsultant,BureauofJusticeStatistics,1995topresent
FBIDirector'sQualityAssuranceStandardsforForensicDNATestingLaboratoriesauditor,1993to2021
ANAB(previouslyASCLD/LAB)LegacyauditorandInternationalassessor,2004to2021
Grantsreviewer,NationalInstituteofJustice,1998-present
ClinicalAssociateProfessor,BaylorCollegeofMedicine,Dept.ofPathologyandImmunology,2008to2021
AdjunctAssistantProfessor,UniversityofTexasJohnP.McGovernMedicalSchool,Dept.ofPathologyandLaboratoryMedicine,2008to2021
‘CompetitiveResearchGrantAwards
CharacterizationofPerformance-EnhancingPeptidesviaInletIonizationonDART-TOF/MS.
NIJ2013-DN-BX-K020~endedMarch31,2018
GeneticMarkersAssociatedwithSuddenUnexplainedDeathorSuddenInfantDeath
NIJ2010-DN-BX-K230~endedJune30,2016
Publications
Radding,C.M.,Kahn,R.,Flory,.,Wu,A.,DasGupta,C.,Gonda,D.,Bianchi,M.,Tsang,S.S.,Azhderian,E.,andMuniyappa,K.StagesandmechanismofhomologouspairinginrecombinationpromotedbyE.crecAprotein,InGenetics:NewFrontiers,Vol.1,GeneticsOrganization,FunctionandRegulation(Eds.V.L.Chorpa,B.C.Joshi,RP.SharmaandH.C.Bansal).OxfordandIBHPublishingCo.,NewDelhi,1984,(ProceedingsoftheXVInternationalCongressofGenetics,1983)pp.413-428,
Kahn,R.andRadding,CM.(1984)ThepresynapticinteractionofrecAproteinwithsingle-strandedDNAandtheroleofsinglestrandbindingprotein,J.Biol.Chem.259,7495-7503,
Radding,C.M.,DasGupta,C.,Wu,A.M.,Kaln,R.andFlory,J.(1983)combinationactivitiesofEscherichiacolirecAprotein:synapsisandstrandexchange.InNucleicAcidResearch--FutureDevelopment(Eds.K.Mizobuchi,I.WatanabeandJ.D.Watson).AcademicPress:Tokyo,N.Y.,London.pp.535-548.
Radding,C.M.,Flory,J.,Wu,A.,Kahn,R.,DasGupta,C.,Gonda,D.,Bianchi,M.,andTsang,S.(1982)Threephasesinhomologouspairing:polymerizationofrecAproteinonsingle-strandedDNA,synapsisandpolarstrandexchange,ColdSpringHarborSymp.Quant.Biol.47,821-828.
‘Wu,AM.,Kahn,R.,DasGupta,C.andRadding,C.M.(1982)FormationofnascentheteroduplexstructuresbyrecAproteinandDNA,Cell30,37-44.
Kahn,R.,Cunningham,R.P.,DasGupta,C.andRadding,CM.(1981)Thepolarityofheteroduplexformation
promotedbyE, colirecAprotein,Proc.Natl.Acad.Sci.USA 78,4786-4790,
DasGupta,C.,Wu,A.M.,Kahn,R.,Cunningham,R.P.,andRadding,C.M.(1981)ConcertedstrandexchangeandformationofHollidaystructuresbyE,colirecAprotein,Cell25,507-516.
Stuver,W.C.andKahn,R.EstablishingaDNAtestingprogramintheMetro-DadeCountyCrimeLaboratory.In:BanburyReport32:DNATechnologyandForensicScience,223-228,
Kahn,R.AnIntroductiontoDNAStructureandGenomeOrganization.(1990)In:ForensicDNATechnology(Eds.M.A.FarleyandJ.J.Harrington).LewisPublishers,Inc.,BocaRaton,Florida,
Kahn,R.DNAChemistryandGenomeOrganization:AnIntroductionfortheForensicScientist.(1989)In:ProceedingsofanInternationalSymposiumontheForensicAspectsofDNAAnalysis,GovernmentPrintingOffice,Washington,D.C.
Stuver,W.C.andKahn,R.DNAAnalysisintheMetro-DadeLaboratory.(1989)In:ProceedingsofanInternationalSymposiumontheForensicAspectsofDNAAnalysis,GovernmentPrintingOffice,Washington,D.C.
Kahn,R.ForensicDNATesting:FightingCrimewithBiologyandComputers.MiamiMedicine,May199,p.23-24.
Geftides,L.A.,M.C.Powell,M.A.DonleyandR.Kahn,(2010),UYirradiationandautoclavetreatmentforeliminationofcontaminatingDNAfromlaboratoryconsumables.ForensicScienceInternational:Genetics4,89-94.
Burg,A.,RKahnandK.Welch.(2011).DNAtestingofsexualassaultevidence:Thelaboratoryperspective.‘JournalofForensicNursing7,145-152.RhondaWilliams,Ph.D.,F-ABC,RogetKahn,Ph,APictorialGuide.CRCPress,BocaRaton,FL
Haden-Pinneri,K.,Williams,R.,Wolf,DA.,Gumpeni,P.,andKahn,R.TheUtilityofTouchDNAEvidenceCollectionfromDecedentsattheHarrisCountyInstituteofForensicSciences(2014)AcademicForensicPathology4(S1):57..
MeGuire,A.,Moore,Q.,Majumder,M.,Walkiewicz,M.,Eng,C.M.,Belmont,J.W.,Nassef,S.,Darilek,S.,Rutherford,K.,Pereira,S.,Scherer,S.E.,Sutton,V.R.,Wolf,D.,Gibbs,R.A.,Kahn,R.,Sanchez,L.A.(2016).Theethicsofconductingmolecularautopsiesinthecasesofsuddendeathintheyoung,GenomeResearch,26(9),1165-1169.https/doi.org/10.1101/gr.192401.115
Methner,D.NR.,Scherer,S.E.,Welch,K.,Walkiewicz,M.,Eng,C.M.,Belmont,J.W.,Powell,M.C.,Wolf,D.A.,Sanchez,L.A.,Kahn,R.(2016)Postmortemgeneticscreeningfortheidentification,verification,andreportingofgeneticvariantscontributingtothesuddendeathoftheyoung.GenomeResearch,26(9),1170-1177.htps://doi.org/10.1101/gr.195800.115
ikowski,S.,Sanford,M.,Donley,M.,Welch,K.,Kahn,R.(2023)SimplifiedCOIBarcodingofBlow,Flesh,andScuttleFliesEncounteredinMedicolegalInvestigations.ForensicSciMedPathol.May24.doi10.1007/s12024-023-00653-y
“-ABC(2014).ForensicDNACollectionatDeathScenes:
SelectedPresentationsandAbstracts
Kahn,R.,Johnson,J.,andHass,M.A.,AnoveltechniquefordetectingsampletosamplecontaminationinDNAtests.AbstractsoftheAnnualMeetingoftheAmericanAcademyofForensicSciences,February1994,SanAntonio,TX.
Chin-See,M.,Kahn,R.,Hass,M.A.,SoftwarefortwodimensionaldensitometricmeasurementsusingtheFBIDNAimageanalysisworkstationforquantitationofautoradiographicandphotographicimageintensities.AbstractsoftheAnnualMeetingoftheAmericanAcademyofForensicSciences,February1995,Seattle,WA.
Kahn,R.,Morales,$.T.,Johnson,J.,andHass,M.A.Amplitype™PMtestingofpotentialperpetratorson@‘massivescale.AbstractsoftheAnnualMeetingoftheAmericanAcademyofForensicSciences,February1996,Nashville,TN.
ForensicScienceOperationsandPlanningSeminarforDNATesting,FBIAcademy,Quantico,VA,1988
PlenaryLecture:DNAStructureandGenomeOrganizationIntemationalSymposiumonForensicAspectsofDNATesting,FBIAcademy,Quantico,VA,1989
DNAAnalysisandtheStatisticsofMixtures,CambridgeSymposiumonForensicDNAApplications,SantaFe,NM,1996
InvitedLecturer:DNALegalUpdate,6"Circuit(Federal)JudicialConference,Cleveland,Ohio,2002
ForensicScienceStatusandNeedsintheU.S.,SacklerColloquiumonForensicScience,NationalAcademyofSciences,Washington,D.C.,2005
AuthorPoster:ResultsofDNAProcessingoftheUnselectedSexualAssaultEvidence,InternationalSymposium‘onHumanIdentification,Nashville,TN,2012
CoauthorPoster:EvaluationofhalfreactionvolumesoftheAMFISTRIdentifilerPlusForensicAmplificationkitinSTRanalysis,InternationalSymposiumonHumanIdentification,Nashville,TN,2012
CoauthorPoster:ComparativeEvaluationofMethodstoRemoveExogenousDNAfromToothSamples,InternationalSymposiumonHumanIdentification,Nashville,TN,2012
CoauthorPoster:EvaluationofPressureCyclingTreatmentonBarocyclerNEP3229forExtractionofLow-‘TemplateForensicDNAsamples,InternationalSymposiumonHumanIdentification,Nashville,TN,2012
‘CoauthorPresentation:ResultsofDNAProcessingofUnselectedSexualAssaultEvidence,AmericanAcademyof ForensicSciences,Washington,D.C.,2013
CoauthorPresentation:EvaluationofPressureCyclingTreatmentofBarocyclerNEP3229forExtractionofDNAsamples,AmericaAcademyofForensicSciences,Washington,D.C.,2013
CoauthorPoster:ComparativeEvaluationofMethodstoRemoveExogenousDNAfromToothSamples,‘AmericanAcademyofForensicSciences,Washington,D.C.,2013
CoauthorPoster:NextGenerationSequencingTechnologyfortheIdentificationofGeneticMarkersAssociatedwithSuddenUnexplainedDeathandSuddenInfantDeathSyndrome,InternationalSymposiumonHumanIdentification,Madison,WI,2014
CoauthorPoster:ThevalidationofaStatisticalToolfortheAnalysisofDNAMixtures,International‘SymposiumonHumanIdentification,Madison,WI,2014;
CoauthorPresentation:TheValidationofaStatisticalToolfortheAnalysisofDNAMixtures,AssociationofForensicDNAAnalystsandAdministrations,Houston,TX,2014;
CoauthorPoster:ForensicDNACollectionatDeathScenes,InternationalSymposiumonHumanIdentification,Madison,WI,2014
CoauthorPresentation:TheUtilityofTouchDNAEvidenceCollectionfromDecedentsattheHarrisCountyInstituteofForensicSciences,NationalAssociationofMedicalExaminers,PortlandOR,2014
‘CoauthorPresentation:NextGenerationSequencingTechnologyfortheIdentificationofGeneticMarkersAssociatedwithSuddenUnexplainedDeathandSuddenInfantDeathSyndrome,AmericanAcademyofForensicSciences,Orlando,FL,2015
CoauthorPresentation:TheValidationofaStatisticalToolfortheAnalysisofDNAMixtures,American‘AcademyofForensicSciences,Orlando,FL,2015
‘CoauthorPresentation:ForensicDNACollectionatDeathScenes,AmericanAcademyofForensicSeienOrlando,FL,2015
CoauthorPresentation:NextGenerationSequencingTechnologyfortheIdentificationofGeneticMarkers‘AssociatedwithSuddenUnexplainedDeathandSuddenInfantDeathSyndrome,GreenMountain,Conference,Burlington,VT,2015
Presentation:TheMolecularAutopsy:CollaborativeSequencing,VerificationandReportingofCausalMutationsinaLargeCohortofInfantandYoungAdultSuddenDeathVictims,NIJGranteesMeeting,Orlando,FL,2015
CoauthorPresentation:SuccessRatesfromTouchDNAinPropertyCrimes,IntemationalSymposiumforHumanIdentification,Grapevine,TX,2015
Presentation:Molecularautopsy:Collaborativenext-generationsequencingandverificationforamedicalexaminer/coroner,InternationalSymposiumforHumanIdentification,Grapevine,TX,2015,
CoauthorPresentation:TotalImagingAnalysisofPaint,AmericanAcademyofForensicSciences,LasVegas,NV,2016
CoauthorPresentation:CharacterizationofPerformance-EnhancingPeptidesViaAmbientlonizationTime-of-Flight/MassSpectrometry(TOF/MS),AmericanAcademyofForensicSciences,LasVegas,NV,2016
CoauthorPresentation:SuccessRatesFromTouchDNAinPropertyCrimes,AmericanAcademyofForensicSciences,LasVegas,NV,2016
CoauthorPresentation:AnApplicationofGunshotResidue(GSR)asTraceEvidence,AmericanAcademyofForensicSciences,LasVegas,NV,2016
CoauthorPoster:“IDroppedAcid.”“No,YouDidn't.”ARetrospectiveStudyofNBOMeEmergenceinHarrisCounty,Texas,AmericanAcademyofForensicScience,LasVegas,NV,2016
Donley,M.,Foster,JustinJ,Kahn,R.,Truppi,J.AnalyzingDNAMixturesUsingPolymeraseChainReaction/CapillaryElectrophoresis(PCR/CE)ComparedtoNextGenerationSequencing(NGS),AAFS,NewOrleans,LA,2017
Cody,R.B.,Kahn,R.,Samms,W.C.,Vircks,K.,Zavala,J.RapidAnalysisofPeptidesandProteinsUtilizingMatrix-AssistedInletIonizationMassSpectrometry,AAFS,NewOrleans,LA,2017
Li,SunYi,DavisW.M.,Kahn,R.,AssessingtheCapabilityofCombiningElementalandPhaseMappingin
4
‘AutomotivePaintSystemsAnalysisUsingScanningElectronMicroscope/EnergyDispersiveSpectroscopy(SEM/EDS),Poster,AAFS,Seattle,WA,2018,Schroeder,J.L.,Davis,W.M.,Kahn,R.,AReviewofGunshotResidue(GSR)EvidenceinSuicideCases,Lecture,AAFS,Seattle,WA,2018Kwiatkowski,S,Kahn,R.InternalValidationofthe‘DogFiler’STRAmplificationAssayfortheAnalysisofCanineDNAEvidence,AAFS,Baltimore,MD,2019.Kahn,R.,Truppi,J.,Hill,P.Donley,M.Welch,K.TheBenefitsandBurdensofImplementingProbabilisticGenotyping(PG)Software,AAFS,Anaheim,CA,2020,‘Truppi,J.,Kwiatkowski,Sanford,M.,Donley,M.,Welch,K,Kahn,R.SimplifiedDNABarcodingStrategyforForensicallyRelevantBlowandFleshFlies,AAFS,Anaheim,CA,2020.
AmericanBoardofC
isticsCertificationTestPreparationServices
‘Owner/operatorofForensicTestPreparation,LLC.CreatedandmaintainedthewebsiteABCTestPrep.comtotrainandprepareforensicscientistsfortheABCcertificationexamsinmolecularbiology,drugchemistry,bloodalcoholandgeneralforensics,2009~2022.
VoluntaryService
GrantsWriter,AscenciaHomelessShelterandServices,Glendale,California,2021-2022
MiracleMessages(miraclemessages.org)DigitalDetectivereunitinghomelessindividualswithfamilymemberstheyhavelostcontactwith,2022~Present
e+HAeSimojExecutiveOfficeoftheMayor~Mayor’sOfficeofTalentandAppointments
JohnA.WilsonBuilding|1350PennsylvaniaAvenue,Suite600|Washington,DC 20004
Dr.RogerKahn
Dr.RogerKahnbeganhisforensiclaboratorycareerin1988withtheMiami-DadePoliceDepartmentCrimeLaboratoryinMiami,Florida,whereheestablishedoneofthefirstforensicDNA labsinthenation,In1997hewasnamedLaboratorySystemDirectorfortheOhioBureauof
CriminalIdentificationandInvestigation,inchargeofOhio'sthreestate-levelcrimelaboratories.AfteradecadeatOhioBCI,hejoinedtheHarrisCountyInstituteofForensicSciencesinHouston,Texas,servingastheForensicGeneticsLabdirectorandthenastheInstitute’sCrime
LaboratoryDirector.
Dr.KahnisapastpresidentoftheAmericanSocietyofCrimeLaboratoryDirectors,afellowoftheAmericanAcademyofForensicSciences,andaformerandfoundingmemberoftheFBI’sScientificWorkingGrouponDNAAnalysisMethods.Heistheauthorofpeer-reviewedpublicationsinbasicDNA researchandforensicDNA andiscertifiedbytheAmericanBoardofCriminalisticsinMolecularBiology.HeholdsadoctoraldegreeinhumangeneticsfromYaleUniversity.
Dr.KahncompletedtwocompetitiveNIJresearchgrants,onetodevelopmethodstoidentifyhumanproteinsofabuse,suchasthehumangrowthhormone,andanotherfortheuseofNext-GenerationDNA sequencingtodeterminethecauseofsuddendeathofinfantsandyoungpeople
withmutationsassociatedwithcardiacchannelopathies,
‘ACaliforniaresident,Dr.KhanearedhisBachelorofArtsinBiologyfromtheUniversityofCaliforniaSantaBarbaraandhisDoctorofPhilosophyfromYaleUniversity.
GOVERNMENTOFTHEDISTRICTOFCOLUMBIA
ExecutiveOfficeofMayorMurielBowser
wk ok
WE AREWASHINGTON
alOfficeoftheGeneralCounseltotheMayor
To: KimberlyA.Bassett,SteveWalkerFrom: BetsyCavendish
Date: December11,2025Subject: Legalsufficiencyreviewofa resolutionreappointingDr.RogerKahnasa
memberoftheScienceAdvisoryBoard
This istoCertifythatthisofficehasreviewedtheabove-referencedresolutionand
foundittobelegallyunobjectionable.Ifyouhaveanyquestionsinthisregard,pleasedonothesitatetocallMichaelPorcello,DeputyGeneralCounsel,ExecutiveOfficeoftheMayor,at202-727-0872,ormeat202-724-7681.
TheohnA.Win Bulking> 1350PennsylvaniaAvenue,NW > Suie300”»Washington,DC.20008> Office(2D)TO4-TORT