Contact the team
Email cab-hahn-contactec [dot] europa [dot] eu (cab-hahn-contact[at]ec[dot]europa[dot]eu)
Address European Commission
Rue de la Loi / Wetstraat 200
1049 Brussels
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![David Müller](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2023-04/david-muller.jpg?itok=drKmERnc)
- david [dot] mueller
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 60891
- Responsibilities
Portfolio:
- Overall Coordination
- HEBDO
- Relations with the Cabinet of the President
- Senior Management and Administration Issues
- Senior Personnel Matters
![Sibylle Bikar](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2023-04/sibylle-bikar.jpg?itok=sgcvLDQ8)
- sibylle [dot] bikar
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 83600
- Responsibilities
Portfolio:
- Deputizing for the Head of Cabinet
- Inter-Institutional Relations Group (GRI)
- Human Resources Strategy
- Budget HR Allocation and Heading VII
- Relations with Staff Representatives
- Security of the Commission
- Buildings of the Commission (OIB/OIL)
- Relations with BE and LUX as seats
Collegiality:
- A Stronger Europe in the World (Borrell)
- International Partnerships (Urpilainen)
Commissioners Group:
- A Stronger Europe in the World
- International Partnerships
Project Group:
- Defence Union
- Security Union
Member States: BE, FR, LUX, NL
![Johannes Noack](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2023-04/johannes-noack.jpg?itok=tfesOhFK)
- johannes [dot] noack
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 91867
- Responsibilities
Portfolio:
- BUDG Resources Directorate, SUMMA (with MS)
- Rule of Law
- OLAF, Anti-Fraud and Protection of Financial Interests
- Relations with International Financial Institutions
- Relations with the European Parliament
- Relations with National Parliaments
- Group for External Coordination (EXCO)
- Relations with Ukraine
- Future relation with the UK/Brexit
- Petitions
Collegiality:
- Crisis Management (Lenarčič)
- Enlargement and Neighbourhood (Várhelyi)
- Inter-Institutional Relations (Šefčovič)
Member States: DE, IE, RO, HU
![Natasa Athanasiadou](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2024-07/natasa-athanasiadou.jpg?itok=Yw0mS6lj)
- natasa [dot] athanasiadou
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 58082
- Responsibilities
Portfolio:
- Human Resources Strategy
- Staff Rights and Obligations
- HR and Equality
- Ethics
- IDOC
- PMO
- Agencies (Governance)
- European Schools
- European School of Administration
- EPSO
- European Ombudsman
Collegiality:
- Competition/State Aid (Vestager)
- Democracy and Demography (Suica)
- Equality (Dalli)
- Infringements (SG)
- Justice (Reynders)
- Values and Transparency (Jourová)
Commissioners Group:
- A New Push for European Democracy
Project Group:
- Conference on the Future of Europe
- Demography
- EU Democracy Action Plan
- Media Pluralism/Media Freedom
- Values, Rule of Law and Fundamental Rights
Member States: BG, ES, GR, MT
![](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2024-07/Tiiu%20Iverson.jpg?itok=91zBSCqx)
- tiiu [dot] iverson
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 58156
- Responsibilities
Portfolio:
- Human Resources Strategy
- Staff Rights and Obligations
- HR and Equality
- Ethics
- IDOC
- PMO
- Agencies (Governance)
- European Schools
- European School of Administration
- EPSO
- European Ombudsman
Collegiality:
- Competition/State Aid (Vestager)
- Democracy and Demography (Suica)
- Equality (Dalli)
- Infringements (SG)
- Justice (Reynders)
- Values and Transparency (Jourová)
Commissioners Group:
- A New Push for European Democracy
Project Group:
- Conference on the Future of Europe
- Demography
- EU Democracy Action Plan
- Media Pluralism/Media Freedom
- Values, Rule of Law and Fundamental Rights
Member States: BG, ES, GR, MT
![Maximilian Strotmann](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2022-11/maximilian-strotmann.jpg?itok=L8PVNVSX)
- maximilian [dot] strotmann
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 99898
- Responsibilities
Portfolio:
- Digital Transformation
- Artificial Intelligence (incl. within Commission)
- Cyber Security
- CERT-EU
- Data/Standards
- DGT
- SCIC
- Publications Office (Digitalisation Strategy)
- Centre for Translation
Collegiality:
- Agriculture (Wojciechowski) (with KC)
- A Europe Fit for the Digital Age (Vestager)
- Culture, Education and Youth (Schinas)
- Digital, Space (Breton)
- Foresight (Šefčovič)
- Innovation and Research (Vestager)
Commissioners Group:
- A Europe Fit for the Digital Age
Project Group:
- AI and Data
- Education and Skills
- Platform Economy
- Research and Innovation
- Security Union
Member States: DK, FI, PT, SE
![Martina Krobath](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2024-07/martina-krobath.jpg?itok=wi6bQSRs)
- martina [dot] krobath
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 69072
- Responsibilities
Portfolio:
- Multiannual Financial Framework
- Annual Budget
- Execution and Control of Annual Budget
- Performance Based Budget
- Own Resources and Revenue
- Central Financial Services
- Political debate on Europe in Austria
- Relations with Switzerland
Collegiality:
- An Economy that Works for People (Dombrovskis)
- Economy/European Semester (Gentiloni)
- FISMA/InvestEU/Green Financing (McGuinness)
- Jobs and Social Rights (Schmit)
- Taxation (Gentiloni)
- Trade (Dombrovskis)
Commissioners Group:
- An Economy that Works for People (Dombrovskis)
Project Groups:
- Economic and Financial Sovereignty
Member States: AT, IT, SK, SI
![Barbara Herbolzheimer](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2024-07/barbara-herbolzheimer.jpg?itok=4TPC4Sgp)
- barbara [dot] herbolzheimer
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 57415
- Responsibilities
Portfolio:
- Multiannual Financial Framework
- Annual Budget
- Execution and Control of Annual Budget
- Performance Based Budget
- Own Resources and Revenue
- Central Financial Services
- Political debate on Europe in Austria
- Relations with Switzerland
Collegiality:
- An Economy that Works for People (Dombrovskis)
- Economy/European Semester (Gentiloni)
- FISMA/InvestEU/Green Financing (McGuinness)
- Jobs and Social Rights (Schmit)
- Taxation (Gentiloni)
- Trade (Dombrovskis)
Commissioners Group:
- An Economy that Works for People (Dombrovskis)
Project Groups:
- Economic and Financial Sovereignty
Member States: AT, IT, SK, SI
![Sofie Robbertsen](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2023-05/sofie-robbertsen.jpg?itok=Cj1TLfpZ)
- sofie [dot] robbertsen
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 63702
- Responsibilities
Portfolio:
- Back-Up for Multiannual Financial Framework
- Annual Budget
- NGEU Borrowing and Lending
- Alignment of EU Budget with Policy Objectives, Budget Flexibility, New Funds
- Agencies (Budget)
- Relations with the Council
- Relations with the Committee of the Regions
- Relations with the Economic and Social Committee
Collegiality:
- Internal Market (Breton)
- Migration/Home Affairs (Johansson)
- Promoting our European Way of Life (Schinas)
- Structural Reform Support Service (Ferreira)
Project Groups:
- Batteries
- Better Regulation and Foresight
- New Pact on Migration and Asylum
Member States: EE, LT, LV, PL
![Alexane Barrouillet](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2024-01/alexane-barrouillet_0.jpg?itok=ddjnoUGF)
- alexane [dot] barrouillet
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 66236
- Responsibilities
Portfolio:
- Annual Discharge
- Financial Regulation/Simplification
- Relations with the European Court of Auditors
- Just Transition Mechanism
- Strategic Technologies for Europe Platform (STEP)
Collegiality:
- Cohesion Policy (Ferreira)
- Climate Action (Hoekstra)
- Agriculture (Wojciechowski) (with MS)
- Energy (Simson)
- Environment, Oceans & Fisheries (Sinkevičius)
- Health (Kyriakides)
- Transport (Valean)
Commissioners Group:
- A European Green Deal
Project Group:
- Europe’s Beating Cancer Plan
Member States: CY, CZ, HR
![Annemarie Huber](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2023-04/annemarie-huber.jpg?itok=sFeq1Nru)
- annemarie [dot] huber
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 93310
- Responsibilities
Portfolio:
- Media and Strategic Media Planning
- Public Diplomacy
- Social Media
- Relation to SPP and COMM Advisers
- Publications Office
- Political debate on the EU
- Internal Communication (with Speechwriter)
![Marco Rosini](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2023-04/marco-rosini.jpg?itok=5aZQ6eD3)
- marco [dot] rosini
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 87393
![Jan Janzen](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2023-04/jan-janzen.jpg?itok=ulG_63YF)
- jan [dot] janzen
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 94805
![Johannes Müller](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2023-04/johannes-muller.jpg?itok=MfTGMuI6)
- johannes [dot] muller
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 66201
![Anna Wiktoria Zapotocka-Zapalska](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2023-10/wiktoria-zapotocka-zapalska.jpg?itok=tsleqDEl)
- anna-wiktoria [dot] zapotocka-zapalska
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 55994
![Helen Barrett](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2023-04/helen-barrett.jpg?itok=8XC-mbvI)
- helen [dot] barrett
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 89930
![Katarzyna Lefik](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2022-11/lefik_katarzyna.jpg?itok=aHaQgokA)
- katarzyna [dot] lefik
ec [dot] europa [dot] eu
- Phone number
- +32 2 29 68270
- Responsibilities
Portfolio:
- Document Management Officer
- Coordination of Special Chefs Meetings
- Coordination of Legislative Procedures
- Preparation of Hebdo Files
- Preparation of E-College File
![Christina Stauffer](https://commissioners.ec.europa.eu/sites/default/files/styles/oe_theme_medium_no_crop/public/2024-03/christina-stauffer.jpg?itok=W-ktJwWJ)
- christina [dot] stauffer
ec [dot] europa [dot] eu