Maarten Daniels has more than 12 years of ICT experience and has been working at DIGIT on the e-PRIOR, e-TrustEx and CEF eDelivery projects as a business analyst, with a strong focus on analysis, test management, user on-boarding and helping Member States implementing the solutions of the various projects. He has gained sound expertise in the technical aspects of the solutions and their underlying international standards and additionally was able to combine that with a thorough business modelling and analysis expertise.

Sander Fieten has been working on electronic messaging systems for over 15 years. He is a member of various OASIS technical standardisation committees including BDXR and ebMS which he is chairman of, and is also a member of the ETSI STF on Standards for eIDAS trust application services, electronic registered delivery and registered electronic mail. Sander is the lead developer of the open source AS4 gateway Holodeck B2B and currently works for Chasquis Consulting as eDelivery / AS4 messaging consultant.

Martin Forsberg works as an expert in the area of electronic business, customs and financial processes. Martin was involved in the PEPPOL and eSENS large scale pilots. He is active in standardization committees such as CEN TC434 and OASIS UBL.

Thomas Fillis is a Communications Consultant in DIGIT working on CEF Digital. Prior to joining DIGIT, Thomas advised a Member of the European Parliament, and worked in the private and not-for-profit sectors. A native of Liverpool, and has certifications from Universities in the UK, Germany and the Netherlands.

Joao Rodrigues Frade is an experienced Enterprise Architect in the European Commission, specialising in large complex projects. He is currently heading the CEF Building Blocks sector in DIGIT which includes CEF eDelivery.

Xander van der Linde MSc is civil servant, working with The Dutch government Innovation and Implementation organisation ICTU as senior consultant-project manager. Currently he is active in e-SENS advising on governance and sustainability of consolidated Building Blocks and nationally active in the programme for the implementation strategy of a generic Gateway eDelivery and Secretary of the High Level Steering group. He has over 15 years working experience in the field of eGoverment, among which on the subjects of financing & governance of information infrastructure and key data registers and the subject of citizen perspective regarding public services and civil participation.

Theo is the co-chair of OASIS-Open ebXML Messaging Services technical committee. He is a committee member and editor of the OASIS-Open ebXML Core technical committee. In addition, Theo is the principle member Flame Computing Enterprises South Africa, Director Domain Name Services Pty Ltd South Africa and the principle architect of the FMS e-SENS AS4 compliant gateway messaging system. In the eSENS domain he was a participant and contributor to the e-SENS WP5.1 working group and to the eSENS - CEF eDelivery interoperability forum. Theo has consolidated experience in hardware and software development in the communications and messaging fields over many years.

Andrea is the Head of the Unit "eGovernment and Trust" in Directorate General 'Communication networks, content and technology' (DG CONNECT) of the European Commission whose mission is to advance the quality and innovation of public administrations and accelerating the large-scale public sector and private sector use of trusted identification and trust services in the digital single market by leadership in the eGovernment agenda and in eIDAS.

Gábor Bartha works for the eIDAS Legislation Task Force at Directorate General Communications Networks, Content and Technology (CONNECT). He is responsible for legal aspects of electronic identification. Previously he worked in DG Competition on antitrust cases. A Hungarian lawyer by training, before coming to Brussels, he worked in Bogsch and Partners Law Firm in Budapest dealing with business law.

André Hoddevik is Head of e-procurement unit in the Department for public procurement in the Norwegian Agency for Public Management and eGovernment (Difi) and Secretary General in OpenPEPPOL AISBL. He was the Project Director of the Pan-European Public Procurement Online (PEPPOL) project 2008-2012. He is member of the European Commission Multi-Stakeholder Expert Group on eProcurement (EXEP) and Multi-Stakeholder Forum on eInvoicing (EMSFEI). He has been working with shared services and eProcurement in the public sector since 1999 and are currently in charge of Norwegian public sector eProcurement activities at national level.

Muhammet Yildiz works as a chief researcher and software developer at TUBITAK. His main research areas are e-Government, Testing, Biometrics, Machine Learning and Artificial Intelligence. Muhammet has a Ph.D. on Biometrics and his main development areas are Conformance and Interoperability Testing, multi-module system integration and core Java/C/C++ development. Currently he is working in the Turkish National e-ID card Project and Minder as a senior software developer.

Tim Nowosadtko is working for Information und Technik NRW (IT.NRW, North Rhine-Westphalia, Germany), since 2008. During his apprenticeship as Software developer between 2008 and 2011 he worked in different national justice projects. Since 2011 he is part of the e-CODEX project team at IT.NRW. In his role as Software developer he was involved in the development and piloting team of e-CODEX. He helps to establish the first cross border eDelivery system based on the ebMS3 standard in 2012. Since 2014 he is responsible as Team and Project Manager for the EU project team at IT.NRW which is now part of several projects within the EU.

Natalie Nickel is working for the Ministry of Justice of North Rhine-Westphalia, Germany, since 2010 and was the project technical coordinator of the e-CODEX project (e-Justice Communication via Online Data EXchange), which focused on improving access to justice across Europe by enabling the secure pan-European electronic exchange of procedural documents. Since April 2013, she is also part of the project administration team of the e-SENS project (Electronic Simple European Networked Services). From 1996 to 2010, she worked for the Higher Regional Court Düsseldorf in the IT-Integration division, which focuses on the information technology development in the state of North-Rhine-Westphalia.

Nils McGrath is Digital Communications consultant in DIGIT leading the team designing developing the CEF Digital Single Web Portal. Nils is a Manager at Deloitte Digital where he leads the Public Sector Service Design practice. Born and raised in Brussels he has a Masters Degree from the University of London in Economic History and Politics.

Carsten Schmidt works in Ministry of Justice of North Rhine-Westphalia, Germany, in the division of the CISO, European and national eJustice projects and related legal matters. Besides that he is a member of the experts groups for eJustice, company law and insolvency registers of the European Commission and the Working Party for e-Law/e-Justice of the council of the European Union. Since 2013 he is the project director of the eSENS project (www.esens.eu). The aim of the eSENS (Electronic Simple European Networked Services) project is to provide generic interoperable solutions for cross-border public services in Europe. eSENS is a Large Scale Pilot project launched by the European Commission to support the realisation of European policies.

A well-known and respected independent Subject Matter Expert and Consultant in eInvoicing Compliance and Process Engineering. Expert advisor to various organisations. Tony is a founder member and secretary of the UK National eInvoicing Forum. As a long-term eInvoicing and standards practitioner, Tony is involved in high-level forums, workgroups and discussions on methods of improving efficiency in Public and Private Procurement, eInvoicing and related processes.

Charles Bryant is Secretary General of EESPA, the European E-Invoicing Service Providers Association (EESPA), which he co-founded. He supports the membership in managing public policy, interoperability and promotional challenges to further e-invoicing adoption. For the European Multi-Stakeholder Forum on e-Invoicing, he recently prepared and edited a Guidance Paper on e-Invoicing for European public administrations. He has subject matter expertise in e-invoicing, payments, and supply chain finance, as well as a background in international banks and in the SWIFT cooperative.

Thomas Fillis is a Communications Consultant in DIGIT working on CEF Digital. Prior to joining DIGIT, Thomas advised a Member of the European Parliament, and worked in the private and not-for-profit sectors. A native of Liverpool, and has certifications from Universities in the UK, Germany and the Netherlands.

Joao Rodrigues Frade is an experienced Enterprise Architect in the European Commission, specialising in large complex projects. He is currently heading the CEF Building Blocks sector in DIGIT which includes CEF eDelivery.

Peter Norén is a head of Unit at the Swedish Financial Management Authority (ESV) with responsibility for the implementation of e-procurement (ordering and invoicing) in Swedish government and also the sourcing of enterprise applications for central government. ESV is a PEPPOL authority. He is a board member of the Swedish E-business Alliance (NEA) and of Single Face To Industry (SFTI). Since 2011 he is representing Sweden in EMSFEI. In 2007-2008 he was the project manager for the coordinated implementation of e-invoicing in all central government agencies in Sweden.

Débora Di Giacomo is currently manager in the European Union Advisory at Wavestone. She has consolidated experience in IT strategy and business consulting focused on European Institutions covering the domains of eGovernment, interoperability, impact assessments, community engagement, among others. In CEF Débora has been involved in the stakeholder analysis for the CEF building blocks maintained by DIGIT (eDelivery, eSignature and eInvoicing).

Kara Baptista is an Evaluation Manager for the CEF Telecom programme at the Innovation and Networks Executive Agency (INEA). She joined the predecessor Agency of INEA (Trans-European Transport Network Executive Agency – TEN-T EA) in 2008, as the main responsible for the Agency's communications activities before making the career switch to the evaluation sector in 2015. She enjoys using her 15+ years of communications experience in her current position to help promote the CEF Telecom calls/programme and provide assistance to applicants.

Rolf Wessel currently product manager at SEEBURGER with focus on eInvoicing software applications and services, such as sending, receiving, processing invoices, integration in SAP and other ERP systems. Rolf is involved in the hybrid invoice format ZUGFeRD at the FeRD, forum electronic invoicing in Germany. He is an expert for formats and supply chain management at the VeR, the E-Invoice Alliance Germany and work in the e-business group at DIN, German Industry Norm. He is project manager at the United Nations Center for Trade Facilitation and Electronic Business (UN/CEFACT) and is leading the project Supply Chain Reference Data Model (SCRDM) the basis of the Cross-Industry-invoice (CII) of UN/CEFACT. Rolf represents the German delegation of FeRD at the French-German expert workshops on electronic invoicing - hybrid invoice - with the French Forum National de la Facture Electronique (FNFE) supporting the governments initiative on the international standardization and harmonization of eInvoicing processes.

Daniel Ramírez is a senior software analyst and developer working at Everis with a long experience in developing websites and tools using Open Source software stacks and specialized in Drupal for more than 8 years. In the CEF context he has been responsible for the development of the eInvoicing Readiness Checker tool.