Director: Olivier Salles
Olivier Salles joined EPSO as its new Director on 16 May 2025.
A French citizen, Olivier holds Master’s Degrees in International Relations and Political Sciences from the Universities of Sorbonne and Lyon II.
In a career spanning over 30 years as EU civil servant, he brings a wealth of experience to EPSO in policy coordination, legal and management functions. He has held diverse roles in HR, finance, and in communicating legislative work across several Commission services.
Having acted as Administrative Director in newly set up EU bodies such as the Anti-Money Laundering Authority (AMLA) and the European Public Prosecutors’ Office (EPPO), Olivier is used to embracing demanding new projects.
He is thus ideally positioned to navigate the challenges facing EPSO and to ensure it fulfils successfully its mission as the trusted partner in selection procedures for the EU institutions.
Head of Outreach and Communication: Sandra Cavallo
Sandra joined the European Personnel Selection Office on 16 December 2025 as Head of the Outreach and Communication Unit.
She brings over 25 years of experience in institutional communication, having held senior roles in EU and UN organisations as well as in Italian public service broadcasting (RAI).
Before joining EPSO, Sandra worked at the European Commission, including as Deputy Head of Unit at the Directorate-General for Civil Protection and Humanitarian Aid Operations (DG ECHO) and at the Directorate-General for Communication (DG COMM), where she coordinated EU-wide communication activities and networks such as Europe Direct. As Head of Sector for communication governance and strategic coordination, she contributed to the Commission’s external communication on disinformation and served as Equality Coordinator for DG COMM. She was a member of the Brexit Task Force (2018–2019).
Previously, she has also held senior communication roles with UNDP in Ukraine and Moldova, the European Centre for Disease Prevention and Control (ECDC), and the European Training Foundation (ETF).
Deputy to the head of Outreach and Communication: Heike Gras
Heike Gras began her career in the private sector, working in the tourism and hospitality industry in Brussels and Gothenburg, followed by a role in an international audit firm.
She then moved to the public sector and joined the European Commission in 1996, initially serving in the finance and budget unit of the Directorate-General for Education, Training and Youth. Subsequent assignments included positions in the Directorates-General for External Relations and for Transport & Energy.
In 2003, Heike transitioned to human resources related functions, joining the newly established European Personnel Selection Office (EPSO) as a competition coordinator. She later worked in the Human Resources unit of the Directorate-General for the Internal Market & Services before returning to EPSO in 2013.
Since then, she has held several roles within EPSO, from
- Team Leader for test development,
- Deputy Head of Unit for e-selection & test development to her current position as...
- Deputy Head of EPSO’s Outreach and Communication unit.
Head of Test Development and Delivery: Angela Heberling
Angela joined the European Institutions in July 1993 in the department for the Environment in the European Commission.
After two years, she moved on to more HR related issues and began her career in the Recruitment service of the European Commission - which was later to be integrated into what is now the European Personnel Selection Office (EPSO).
She has held a variety of positions within EPSO, from being:
- a member of the Task Force responsible for the implementation of the EPSO Development Programme (EDP),
- Head of the Selection Management office in charge of monitoring all competitions and selections,
- Head of Unit for the e-Selection and Test development unit,
- Head of the Planning and Coordination Unit...
...to her current post as Head of the Test development and Delivery unit.
Since November 2020, she has served as Deputy to the Director.
Angela is married and has two children.
Deputy to the head of Test Development and Delivery: Nikoletta Rácz
Nikoletta joined the European Commission in 2005 and has over 20 years of experience in human resources, operations and management functions.
A Hungarian national, she holds a Master’s degree in Human Resource Management, a Master in European Integration and Development from the Vrije Universiteit Brussel (VUB), and a Postgraduate Diploma in Human Resource Management from Kingston University London.
Throughout her career, Nikoletta has held a variety of positions within the European Commission, including HR Correspondent, Team Leader, Head of Sector and Deputy Head of Unit. Before joining the European Personnel Selection Office (EPSO), she worked at the Office for Infrastructure and Logistics in Brussels (OIB), she served as HR Correspondent for more than 1,200 staff members and led a large operational sector responsible for mail services, diplomatic pouch operations and the transport of materials.
Nikoletta joined EPSO in 2023 as Deputy Head of the Testing Operations Unit and subsequently became Deputy Head of the Test Development and Delivery Unit. In this role, she contributes to the development and delivery of selection tests and competitions for the European institutions and supports the modernisation of EPSO’s testing and assessment processes.
Head of Planning and Competition Management: Martin Ohridski
Martin holds a BA in International Relations from the University of Malta and MA in European Public Affairs from University of Maastricht. Following a stint in the area of tourism, he began his European career in the social and vocational training sector in Brussels in 2003 where he worked as for two European NGOs as a Public Affairs Officer and project manager.
Martin moved to the European civil service in 2008 when he joined the Crisis Management Unit within the European Commission’s Secretariat General (SG). He worked for over 5 years as Policy Officer and Team Leader responsible for providing internal coordination and support to ensure that the Commission can contribute effectively to crises that require action at Community level. Martin then worked in the SG Transparency Unit where he contributed to the implementation and further development of the Commission's wider policy on transparency and lobbying regulation. Martin joined the European Personnel Selection Office (EPSO) in late 2020 and worked as Policy Assistant to two Directors of the Office before assuming the role of Head of EPSO’s Planning & Competition Management Unit in 2026.
Deputy to the head of Planning and Competition Management: Stine Hyldekjaer
Stine holds a BA in Politics and Economics, a BA in LAW as well as an MA in International Studies and Diplomacy- all from the UK. After a couple of years as a United Nations Volunteer for UNHCR in Kosovo, she decided to join the EU. She started as a young expert to the EU Delegation to Zambia in 2006 followed by posts as a project manager in several EU Delegations including in Afghanistan, Jordan and Tanzania, in the Permanent Representation of Belgium to the EU.
In 2023, Stine moved to EPSO where she was recruited as competition manager and in 2026 she was appointed Deputy Head of Unit.
Outside of work Stine enjoys Zumba, yoga and travelling.
Deputy to the head of Corporate Services: Sorin Serban
Sorin began his career in the private sector, working in the statutory audit and insurance industry in Paris. He then moved to the public sector and joined the European Commission in 2008, working in the Common Audit Service of the Directorate-General for Research and Innovation. During his time in the Commission, he held various positions, including ex-post auditor, team leader of Quality Control, and Head of Sector for Back Office and Audits. His responsibilities included ex post audit, internal control, finance and budget management.
In 2026, Sorin joined the European Personnel Selection Office (EPSO) as Deputy Head of Unit in the Corporate Services unit. In this role, he supports the Head of Unit in ensuring sound financial and IT management of EPSO, including coordinating audits, risk management, and internal control.
Head of EuSA: Anna Mitelman
Anna Mitelman joined the ‘EPSO family’ in January 2023, as Head of the European School of Administration (EuSA).
Anna has 10 years of experience managing Learning and Development (L&D) as Head of Unit for Human Resources (HR) in the European Committee of the Regions, where apart from L&D and talent management she was also responsible for many other HR fields such as Rights & Obligations, Medical and social service, traineeships and more.
She is committed to lifelong learning herself and is convinced that organisations that understand this and invest in L&D will always be one step ahead. Her vision for the School is to make sure that EuSA is, and always remains, a centre of innovation and excellence.
Anna lives with her husband and two teenage sons in Brussels.
Deputy to the head of EuSA: Christiane Keutgens
Christiane joined the European School of Administration as Deputy Head in August 2020. She brings over 30 years of experience in the European Commission, starting her career in DG GROW and in a European Commissioner’s Cabinet, followed by roles in DG Connect, DG Communication and the Spokesperson’s Service, with a particular focus on learning and professional development, policy coordination and capacity building.
Christiane grew up in the German-speaking Community of Belgium and has an educational background in marketing and economics. She is also an accredited coach.
She is passionate about lifelong learning, leadership and connecting people across EU institutions and across Europe. She strongly believes in the importance of human connection and in leadership rooted in purpose, trust, self-awareness and care for people. For her, lifelong learning is essential to remain curious, adapt to change and grow - as individuals, as leaders and as organisations.