Currently the Ambassador/Head of the Delegation of the European Union Delegation to Barbados, the Eastern Caribbean States, the OECS, and CARICOM/CARIFORUM

She previously served as Ambassador of the European Union to Jamaica, Belize, The Bahamas, Turks and Caicos Islands, and the Cayman Islands and prior to that, Head of Division for Conflict Prevention, Peace Building and Mediation at the Security Policy Directorate of the European External Action Service (EEAS) in Brussels. In this capacity, she led a team responsible for focusing the EU's work on conflict prevention and peacebuilding, providing mediation support to the EU Special Representative and Delegations, running the EU's Early Warning System for violent Conflict and developing a new framework for the EU's support to Security Sector Reform. In this role her team provided support to EU Delegations in: Syria, Colombia, Mali, Myanmar, Lebanon, South Sudan, Tanzania, Kenya, Mauritania, Nigeria, Burundi, Central African Republic, Guatemala, Great Lakes/DRC, Moldova, Bosnia Herzegovina, Guinea Bissau, Chad, Afghanistan, Kirgizstan and Tajikistan.

Previously, she was Head of Division for Elections and Democracy Support in the EEAS at the Directorate General for External Relations of the European Commission. She has managed Electoral Observation Missions of the EU to Democratic Republic of Congo, Tunisia, Nicaragua, Peru, Zambia, Southern Sudan (referendum for independence and elections), Uganda, Niger, Chad, Mozambique, Honduras, Bolivia, Togo, Ethiopia, Burundi, Solomon Islands, Guinea Conakry, Afghanistan, Rwanda, Tanzania, Ivory Coast, Sudan (elections and referendum).

Before joining the European Union, Ms Wasilewska worked as a senior specialist on issues of organizational governance and strategic planning at Amnesty International and Saferworld, both at the national and global level. Her main areas of specialization were organizational transition and growth, human rights, conflict sensitive development, post- conflict democracy building and non-proliferation of small arms and light weapons.