AC Sector
1990 to 1995
AT Division
1990 to 1995		LHC Division
1996 to 2002		AT Department
2003 to 2008		ATS /ACC Sector
2009 to Present
BE, TE, EN and SY Departments

AC Division Leader

G. Plass (1990-1995)

AC SeriesAC ReportsAC Notes
AC Divisional reports
by year		199019911992199319941995ALL
AC-DIDivisional Leader's OfficeM. Buhler-Broglin
AC-BLITBureau de Liaison pour l’Industrie et la Technologie /
Industry and Technology Liaison Office		O. Barbalat
AC-FAFuture AcceleratorsG. Brianti
AC-LEP200/L200LEP200C. Wyss
AC-LHCLHC

AT Division Leader

H. Wenninger (1990-1993)
J.P. Gourber (1994-1995)

AT DocumentsAT ReportsAT NotesInternal NotesTechnical Notes
Specifications
AT Divisional reports
by year		199019911992199319941995ALL
AT Technical & Internal notes by year199019911992199319941995ALL
AT-DIDivisional Leader's OfficeJ.P. Gourber
AT-CRCryogenicsM. Mopurgo
AT-CO
AT-CVCooling and VentilationM. Schmitt
AT-ET
AT-ICIndustrial Controls
AT-MAMagnetsR. Perin
AT-RFRadio Frequency
AT-SMSurface and MaterialsC. Benvenuti
AT-SUSurveyM. Mayoud
AT-VAVacuumH.P. Reinhard

LHC Division Leader

J.P. Gourber (1996-1998)
P. Lebrun (1999-2008)

LHC SeriesLHC ReportsLHC NotesLHC Technical NotesLHC Internal Notes
LHC Project ReportsLHC Project NotesSpecifications
LHC Divisional reports
by year		1996199719981999200020012002ALL
LHC Technical & Internal notes by year1996199719981999200020012002ALL
LHC-ADMDivisional Leader's OfficeA. Guiard-Marigny
LHC-ACRCryogenics for AcceleratorsW. Erdt
LHC-CRICryostat & IntegrationA. Poncet
LHC-ECRCryogenics for Experiments and Test AreasJ.P. Dauvergne
LHC-DLODivision Leader Office
LHC-EETEmerging Energies TechnologiesC. Rubbia
LHC-IASIndustrial Automation & SupervisionM. Rabany
LHC-ICPInsertions, Correctors & ProtectionN. Siegel
LHC-MMSMain Magnets & SuperconductorsC. Wyss
LHC-MTAMagnet Tests & AnalysisP. Sievers
LHC-VACVacuumO. Gröbner
LHC-NotesLHC Notes1983 – 1999
LHC-Project-ReportsLHC Project Reports1996 – 2012
LHC-Project-NotesLHC Project-Notes1995 – 2006
LHC Committees
LMBLHC Management Board
LHC MACLHC Machine Advisory Committee (LHC MAC)
TCCLHC Technical Co-ordination Committee (TCC)
MARICLHC MAin Ring Committee (MARIC)
MMMGMonday Morning Meeting (MMMG)
LHC Experiment Machine Interface Committee (LEMIC)
TCLHC Technical Committee (TC)
LHC Steering Committee for Magnets and Cryogenics
P&LCParameters and Layout Committee (P&LC)
LHC with four feed points Committee
LCBLHC Computing Board (LCB)
LEBLHC Electronics Board (LEB)
Energy Calibration meetings

AT Leader

P. Lebrun (1990-1995)

AT SeriesAT ReportsAT NotesAT Specifications
AT reports
by year		200320042005200620072008ALL
AT-ADMAdministrationD. Duret
AT-MASMagnets & Superconductors, 2003-2006L. Rossi
AT-MCSMagnets, Cryostats & Superconductors, 2007-2008L. Rossi
AT-MEIMagnet Electrical System & Instruments, 2008L. Walckiers
AT-MELMagnets & Electrical Systems, 2003-2007K.H. Mess
AT-MTMMagnet Terst & Measurements, 2003-2007L. Walckiers
AT-CRICryostats & interconnections, 2003-2006A. Poncet
AT-ACRCryogenics for Accelerators, 2003-2007L. Tavian
AT-ECRCryogenics for Experiments, 2003-2007G. Passardi
AT-CRGCryognics, 2008L. Tavian
AT-VACVacuum, 2003-2008P. Strubin / J.M. Jimenez
AT Committees
LHC Technical Board
MARICLHC Main Ring CommitteeP. Lebrun
MEBMagnet Evaluation Board
LCCLHC Commissioning CommitteeS. Myers
LEMICLHC Experiment Machine Interface Committee
TCCLHC Technical Coordination CommitteeR. Saban / P. Prodlock
MPPMain Ring Magnet Performance Panel
ICCInstallation and Commissioning CommitteeL. Evans
FiDeLField Description for LHC

ATS / ACC Sector Leader

S. Myers (2009-2013)
F. Bordry (2014-2020)
M. Lamont (2021-2025)
O. Bruning (2026-Present)

ATS / ACC SeriesATS Database in CDSATS ReportsATS Notes
ATS / ACC Reports
by year		20092010201120122013201420152016
20172018201920202021202220232024
20252026
ATS-DODirectorate Office
ATS-DODirectorate Office: Medical Accelerators, Physics Beyond Collider, Consolidation, Safety, Energy Coordination, Sustainability
ATS-DODirectorate office: High Luminosity LHC, FCC, Linear Colliders, EU projects, CERN Accelerators

Beam Department (BE): P. Collier (2009-2020) – R. Jones (2021-2025) – M. Meddahi (2026-Present)
BE SeriesBE Database in CDS
BE-HDOHead departmental OfficeP. Collier
BE-ABPAccelerators & Beams PhysicsG. Arduini / O. Brüning / Y.Papaphilippou
BE-ASRAdministration, Safety & ResourcesR. Billen / J.P. Matheys / M. Gourber-Pace
BE-BIBeam InstrumentationR. Jones
BE-CEMControls Electronics & MechanicsA. Masi
BE-CSSControls software & ServicesC. Roderick
BE-COControlsE. Hatziangeli
BE-EAExperimental AreasS. Evrard
BE-GMGeodetic MetrologyH. Mainaud Durand
BE-ICSIndustrial Controls & Safety Systems (2009-2010)P. Sollander / E. Blanco Vinuela
BE-OPOperationR. Steerenberg / M. Lamont / B. Mikulec
BE-RFRadio FrequencyE. Jensen / E. Ciapala

Technology Department (TE): F. Bordry (2009-2013) – J.M. Jiménez (2014-2025) – R. Jones (2026-Present)
TE SeriesTE Database in CDS
TE-ABTAccelerator Beam TransferB. Goddard
TE-EPCElectrical Power ConvertersJ.P. Burnet
TE-MSCMagnets, Superconductors & CryostatsL. Bottura
TE-PPRProjects, Planning & ResourcesL. van den Boogaard
TE-CRGCryogenicsD. Delikaris
TE-MPEMachine Protection & Electrical IntegrityA. Siemko
TE-VSCVacuum, Surfaces & CoatingP. Chiggiato

Engineering Department (EN): V. Vuillemin (2009-2010) – R. Saban (2011-2015) – R. Losito (2016-2020) – K. Foraz (2021-2025) – S. Atieh (2026-Present)
EN SeriesEN Database in CDS
EN-DHODepartment Head OfficeR. Losito
EN-AROAdministration, Resources & PerformanceL. Serio
EN-EAExperimental AreasM. Brugger
EN-HEHandling EngineeringI. Ruehl
EN-SMMSurvey, Mechatronics MeasurementsA. Masi
EN-ACEAccelerator Coordination & EngineeringK. Foraz
EN-CVCooling & VentilationM. Nonis
EN-ELElectrical EngineeringN. Bellegarde
EN-MMEMechanicals & Material EngineeringF. Bertinelli
EN-STISources, Trargets & InteractionsS. Silvano Gilardoni

Accelerator Systems Department (SY): B. Goddard (2021-2025) – R. Losito (2026-Present)
SY SeriesSY Database in CDS
SY-ABTAccelerator Beam TransferW. Bartmann
SY-ARAdminbistration and ResourcesK. Sigerud
SY-BIBeam InstrumentationT. Lefèvre
SY-EPCElectrical Power ConvertersV. Montabonnet
SY-RFRadio FrequencyF. Gerick
SY-STISources, Targets and interactionsM. Calviani