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Dialogue Advisory Group | People
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DAG is led by Ram Manikkalingam, an experienced Sri Lankan mediator, working with a dynamic international team and supported by a wide network of influential organisations and individuals. DAG staff combine NGO, INGO, government and academic experience, and our teams have a wide-ranging combination of gender, age and nationality. DAG prioritises increasing diversity in the field of mediation, and especially promotes representation of women and people from different social identities (sexual orientation, gender, ability, race, religion etc).

Paula de Castro

Programme Manager

Paula de Castro has worked as an analyst and programme manager for organisations like the Spanish Ministry of Defence (Directorate of Strategic and Security Affairs), the European Institute of Peace and the Barcelona Centre for International Affairs think tank. She has worked on research and policy-oriented projects related to conflict resolution and EU foreign policy. Paula holds a Masters in International Relations and is a Marshall Memorial Fellow of the German Marshall Fund of the United States.

Vlad Corbu

Chief Programme  Manager

Vlad Corbu holds a master’s degree (cum laude) in International Relations from the Amsterdam School of Social Sciences and bachelors diploma in Political Science from the National School of Political and Administrative Studies in Bucharest. He joined DAG in early 2011 and currently works as programme manager. He works on all aspects of DAG’s operations.

Juan Garrigues

Deputy  Director

Juan Garrigues has worked in international organisations, NGOs, think tanks and government, including the UN Department of Political Affairs, Spanish Prime Minister’s office (2008-2011) and ACTED Afghanistan, and served as a consultant on mediation to the UN Department of Political Affairs and the European External Action Service (EEAS). He has extensive field experience in Libya, Afghanistan, Sub-Saharan Africa etc. He is also currently a Senior Research Fellow Associate at the Barcelona Center for International Affairs (CIDOB).

Michelle Gehrig

Programme  Manager

Michelle Gehrig completed a Juris Doctor at the University of Melbourne and holds a BA in International Studies. She previously worked in Australia and Ghana as a paralegal in the area of police accountability and human rights. She was also involved in human rights research and advocacy at UNICEF Pacific and the Fiji Human Rights Commission.

Lorenzo Greenbaum


Lorenzo completed a BA in Arabic at Middlebury College and an MA in Middle Eastern Studies focusing particularly on the law and politics of the Middle East at SOAS University of London. Before joining DAG, Lorenzo worked in human rights proofreading and translating legal documents in Morocco. He also worked in marketing in social media in Egypt and the Middle East more broadly and as a freelancer for an Egyptian newspaper.

Raphaëlle Guillon 

Special Advisor

Raphaelle has worked with a variety of international organizations and NGOs, both in the field and at headquarters, with a focus on the Middle-East and North Africa region. This included engagements with the UN Support Mission in Libya and the UN Department of Peace Operations. She has extensive field experience in Libya, Afghanistan and Nepal, among others. She directly contributed to mediation efforts in Libya and Western Sahara. She graduated from the School of Oriental and African Studies (SOAS) in London and from the Institut d’Etudes Politiques in Aix-en-Provence.

Shaun Haley

Financial & Administrative Officer

Shaun holds a master’s degree (with distinction) in International Relations and Democratic Politics from the University of Westminster in London. His research paid particular focus to Russian political history. Shaun joins us from the private sector with experience in coordinating teams in finance, administration and project support. Shaun is in charge of DAG’s financial administration and office management, and assists in the management of DAG’s budgets and grants.

Charlie Hierons


Charlie completed a BA in Philosophy and French (First Class) and an MPhil in Modern Middle Eastern Studies (with Distinction) at the University of Oxford. His Master’s research focused on gender and politics in contemporary Algeria. Prior to joining DAG, Charlie worked in development and peacebuilding in the Levant.

Rocío López Martínez

Programme Associate

Rocío began her career as a journalist in Spain and moved to Cairo in 2012 where she reported on Egypt and the Middle East for the following five years. She completed a Master in International Politics at Leiden University, focusing particularly on security and human rights. She also holds a bachelor´s degree (with honours) in Audiovisual communication from the Complutense University of Madrid.

Ram Manikkalingam

Founder & Director

Ram Manikkalingam founded DAG and teaches politics at the University of Amsterdam. He is a member of the Special Presidential Task Force on Reconciliation in Sri Lanka. Previously, he was Senior Advisor on the Sri Lankan peace process to then President Kumaratunga. He has served as an advisor with Ambassador rank at the Sri Lanka Mission to the United Nations in New York. Prior to that he was an Advisor on International Security to the Rockefeller Foundation.

Fleur Ravensbergen

Deputy  Director

Fleur Ravensbergen is the assistant director and co-founder of DAG. Since 2009 she has been working in conflict mediation, initiating and engaging in talks with armed groups to reduce violence, including in Iraq and the Democratic Republic of Congo. She was part of a small team which disarmed groups in Northern Ireland and the Basque Country. Fleur also periodically teaches, speaks at events and appears in the media to discuss current affairs and issues related to her work at DAG.

Luvy M. Rocha Rappaccioli

Programme Manager

Luvy joined DAG as a programme manager after eight years of working in a variety of peace support programs through analysis and programmatic work. She has worked with local and international organisations in Myanmar, Nepal, Nicaragua and South Sudan. She holds a B.A. in International Relations, and an MSc. in Foreign Service from Georgetown University.

Isabella Wüstner

Programme Associate

Isabella holds both a M.A. in Human Rights and Democratisation and an LL.M. in International Law and Security. During her studies, she focused on human rights and armed conflict. She conducted field research looking at the reintegration process of female FARC combatants in Colombia. Before joining DAG, Isabella worked at the Friedrich-Ebert-Stiftung in Colombia, focusing on issues of peace and security and organised crime, and at Protection International for the protection of human rights defenders.


Board of Directors


Former UN High Representative for Disarmament Affairs

and former UN Under-Secretary-General for Management



Professor, Department of Political Science, University of Amsterdam 

(Secretary and Treasurer)


Former Ambassador of the Netherlands to Bangladesh 

Board of Advisors


Ambassador of Peru to France and Monaco, and former UN Envoy to El Salvador, Cyprus, Israel/Palestine


Former UN Under-Secretary-General for Political Affairs


Associate Professor, Graduate Institute of Public and International Affairs, University of Ottawa

Former Advisors


Ely Place Chambers


President of the International Committee of the Red Cross


Secretary General of the Ministry of Foreign Affairs


Former UN Special Envoy to Syria