International Negotiation Analyst, Visiting Professor at the College of Europe (Bruges), Member of the Steering Committees of the Clingendael Processes of International Negotiation (PIN) Program, the Netherlands Negotiation Network (NNN) and of the Advisory Board of the Journal of International Negotiation (JIN).
- Diplomatic Negotiation – Essence and Evolution ()
- Banning the Bang or the Bomb (co-ed.) ()
- The Slippery Slope to Genocide (co-ed.) ()
- Negotiating European Union (co-ed.) ()
- Culture and International Law (ed.) ()