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.

Pavel Reberc is the Director of the eIUS company, the leading Qualified electronic registered delivery service provider in Slovenia. eIUS company is implementing an AS4 node and integration module for VEP.si service funded by the Connecting Europe Facility (CEF). Pavel Reberc has a rich international experience in more than 10 countries for projects such as eDelivery, Identity management and e-Justice. He was Head of IT-development for eight years at the Supreme court of the Republic of Slovenia. Pavel has more than 20 years' experience with business process optimisation, architecture and design of large scale IT systems. He specialised in strategic planning in the area of IT in Judiciary and Public administration. In 2017 he led a Qualified Certification project under the eIDAS regulation for eDelivery, Validation of qualified electronic signatures and seals and Qualified electronic time stamps.

Martin Völcker works at the Swedish Financial Management Authority and is the Swedish coordinator for eDelivery. He was the Swedish coordinator for eSENS. He is a senior project manager and has worked previously in different projects building local and national IT infrastructures. 

Aleksandrs Cepilovs is the project manager for The Once-Only Principle (TOOP) project, the EU H2020 large-scale pilot to explore and demonstrate the feasibility of the once-only principle involving more than 50 partners from 21 countries inside and outside the European Union, coordinated by Ragnar Nurkse Department of Innovation and Governance from the Tallinn University of Technology. His main research interests include innovation policy and innovation in the public sector, as well as co-creation of public services through collaboration between the public and the private sector as well as citizens. He has previously worked for the Ministry of Finance of the Republic of Latvia. 

Piet van den Berg is an experienced senior project manager that has been working in the public domain managing several projects in the context of Public Order, Safety as well as Justice. He works at the RINIS Foundation for a couple of years. RINIS is a shared service facilitating electronic exchange of information in the public domain, within the Netherlands as well as in the European context. Together with public institutions in the social security sector, he has been managing several pan-European projects such as eHealth and eDelivery and is currently managing the implementation of the EESSI infrastructure in the Netherlands following the EESSI CEF Telecom call.

Sven Rostgaard Rasmussen works for the Danish Agency for Digitisation as an Executive Consultant and is the Danish representative in the CEF Telecom Expert Group and ISA² Coordination Group. He has a strategic focus on eInvocing and eProcurement and is a member of the European Multi-Stakeholder Forum on eInvoicing. Sven is co-founder of OpenPEPPOL and represents the Danish PEPPOL Authority as well as workgroup Convenor in CEN standards development in TC434 and TC440.