ADN Group International Negotiation Agency

International Negotiation Agency

ADN Group is an agency of professional negotiators led by Marwan Mery. Surrounded by a team of experts, he accompanies companies and government organisations to resolve complex situations involving critical cases (kidnapping and ransom, extortion...), social conflicts, high-stakes trade negotiations or diplomatic relations.

Acting worldwide, the agency of professional negotiators offers training, assistance, conferences and operational missions.

More information
Marwan Mery

Marwan Mery is a world-renowned crisis negotiator.

New York Post

Training courses

  • The contributor's expertise
  • Certified programmes
  • Validated by the state (CPF / DataDock)
  • Digital Tools


  • Preparation for conducting and debriefing any kind of negotiation
  • Carried out by the agency's experts
  • From Paris or directly in the field
  • Available in French and English


  • Inspiring
  • Participatory and highly interactive
  • Derived from the contributor's direct experience
  • With a duration from 30 minutes to 1h30
A different agency

Reasons to trust a unique agency in the world

For many years, ADN Group's experts have been providing training missions, animating inspiring conferences and leading high-stakes negotiations all over the world. They intervene in all types of sectors (consulting, automotive, health, luxury, banking, finance, energy, media, technology, transport, food, retail, logistics, construction, public services, engineering, NGOs, communication...) and for all professions.

A unique performance
Hundreds of successful missions carried out
Operational experts
Active experts who spend most of their time on the field
A global method
The PACIFICAT© reference is used worldwide
Any field of activity
An expertise that can be applied to any occupation
A global presence
Offices in Paris, Dubai, Glasgow and Geneva
International clients
From many sectors: leaders, diplomats, buyers, lawyers, …
Prestigious collaborations
ONU, CNAM, Institut de l'Engagement, HEC Paris, ...
Certifying training courses
Recognized by the French state, eligible for support.

Any comment or question?

The whole ADN team is at your disposal to answer your questions.

You can also find us on social networks LinkedIn and Facebook.

Contact us