ARC Secretariat

Marius Nicolescu, Secretary General


Marius Nicolescu joined ARC as Secretary General in October 2018. Marius has strategic and operational responsibility at project and EU lobbying level on behalf of the ARC and represents the organisation externally. Before that, Marius worked in Brussels lobbying on issues related to public transport, aviation, environment, trade, security and defense for the American Chamber of Commerce to the EU and the International Association of Public Transport. He previously worked for the ARC as Communications Officer between 2012 and 2014.


Marius has two majors in Political Science and International Relations, and Journalism and Mass Communications and a minor in European Studies from the American University in Bulgaria.

Sergi Alegre Calero, Director General


Sergi Alegre (PhD) joined ARC as Director General in September 2018. Previously he served for seven years as the President of ARC. At the same time, he was the Vice-Mayor of the City of El Prat where the airport of Barcelona is located. In El Prat, he was responsible for urban planning, mobility and environmental issues for more than twenty years. In his former positions, he has been involved in many European projects, participated in events as a key speaker and dealt with negotiations on airports and aviation issues.

Petra Holm, Senior Operations Manager


Petra Holm has been working for ARC since 2014. She is in charge of the day-to-day administration of the ARC Secretariat, as well as project administration and reporting. She has previously worked for the European Commission (Secretariat General, EuropeAid, DG Enlargement) and for Clean Sky Joint Undertaking.


She holds an interdisciplinary European Master’s degree in human rights and democratisation and a Bachelor’s degree in Political Science and speaks Swedish, English, French and Spanish.

Alexandra Covrig, Senior Projects Officer



Alexandra Covrig has been working for the ARC since 2016. She is in charge of the preparation and follow-up of EU-funded projects, also acting as the Communication Manager in the respective projects. She mainly contributes to the communication, dissemination and exploitation activities, but also to the technical reporting of projects.


She holds a joint Master’s degree in Communication Science and European Studies and speaks Romanian, English, and French.

Elena Maximova, Communication Officer


Elena Maximova has been working for the ARC since 2017. She is mainly responsible for visual communication, the layout of publications, social media, and newsletters. She also supports the communication of the EU-funded projects on which ARC is working.


She holds a Master’s degree in European Studies and speaks English, French and Russian.

Ana García Sainz-Pardo, Research Associate


Ana is the ARC research associate dedicating her time to the ANIMA project. She is an aviation and airport noise specialist. She has been working throughout her career in airport and air transport noise issues with all stakeholders in this field: from air navigation service providers, national civil aviation authorities, national aviation safety agencies, and national environmental authorities. Ana has also been providing environmental impact assessment training, as well as airport noise management classes in several countries around the world. Ana holds a Master’s degree in civil engineering specializing in urbanism, land planning, and environment and she also holds a separate degree in law. 


Feel free to address Ana in English or Spanish.

Gabriele Dackaite, Communication Officer


Gabriele Dackaite is a recent addition to the team – she joined ARC in April 2019. She is responsible for the ARC and its EU-funded projects’ communication, including newsletters, websites and social media. A big part of her work is designated to layout and graphic design of the projects’ communication.


She holds a degree in Political Science and International Affairs and speaks Lithuanian, English, and Spanish.

ARC Offices

Rue Montoyer 21

1000 Brussels