Empowering the Global Mediators of the Future.
We are an international, accredited training institute transforming how the world resolves conflict—through accessible, practitioner-led mediation programmes that serve communities, corporations, and conflict zones alike.

Our Mission
We train professionals to become confident, accredited mediators—empowered to transform conflict across local, regional and global contexts.
Our training spans eight critical thematic areas:
- Family Mediation
- Communities
- Commercial and Corporate
- Education
- Peace and Armed Conflict
- Humanitarian
- Public Health
- Climate and Environment

The CONSENSUS Way
Our signature methodology—The CONSENSUS Way—transforms conflict through innovative dialogue and professional mediation practice. We combine cutting-edge techniques with a strong ethical foundation to:
- Change behaviours, not just resolve disputes
- Deliver high-quality training accessible to all
- Equip mediators for long-term impact in diverse environments
Everything we do is grounded in accessibility, excellence, and global fairness — Ian Rigden, Director of IMC
What We Stand For
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Global Access
Affordable training adapted to your country—so no one is excluded.
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International Accreditation
Certifications recognised by IMI, SIMI, and ISM University.
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Inclusive Learning
Open to all backgrounds, sectors, and languages.
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Practitioner-Led
Taught by mediators working on the frontlines of conflict.
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Ethical Impact
Built on fairness, sustainability, and social responsibility.
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The CONSENSUS Family
A global alumni network committed to transforming conflict.
Meet the Leadership Team
Meet the people who guide IMC and support our learners every day.
Dr Andrea Hartmann-Piraudeau
Founder and Managing Director of CONSENSUS Group

Dr Andrea Hartmann-Piraudeau
Founder and Managing Director of CONSENSUS Group
Alexandra Kieffer
Member of the Management Board Consensus Group

Alexandra Kieffer
Member of the Management Board Consensus Group
Ian Rigden OBE FRGS
Director International Mediation Campus (IMC)

Ian Rigden OBE FRGS
Director International Mediation Campus (IMC)
Certifications & Accreditations
We offer an IMI (International Mediation Institute) certified international mediation training. The course meets international standards (40 hours of training). After the successful completion of the training, you are an IM Campus certified international mediator and eligible to become IMI qualified. After the training, you can be listed on the IM Campus and IMI homepage as a mediator. Our international mediation training is also certified by the International School of Management (ISM), a business school based in Germany. After successful completion of the training, participants receive a certificate issued by the ISM and CONSENSUS.
Our Roots
Where we Come From
The International Mediation Campus (IMC) was born from the long-standing expertise of the CONSENSUS Group, one of Germany’s most respected mediation and conflict-resolution consultancies. From our foundation in Stuttgart, we’ve grown into a global hub for professional mediation training.

CONSENSUS GROUP is a well-known mediation and consulting company based in Stuttgart, Germany with a focus on mediation, ADR, leadership and organisational development. Our team of more than 15 mediators and experts for ADR and conflict resolution from different professional backgrounds provide mediation and other conflict resolution processes across all industries, different organisations and individuals.
Visit CONSENSUS Group
CONSENSUS CAMPUS is our institute for high standard mediation and ADR training offering advanced courses to become a certified mediator provided by face-to-face seminars in different German cities such as Stuttgart, Hamburg, Berlin, Munich and Frankfurt. Our 120 hours mediation training programs are provided in German language. The mediation training certificates awarded are recognised and in great demand. Our training programs are conduced according to German mediation law and internationally certified (IMI).
Visit CONSENSUS CampusPartner with IM Campus
Join Our Global Mediation Network
We build impact-driven initiatives with accredited institutions, NGOs and corporate allies across our 70-country community. Contact us to explore partnership opportunities.
Meet Our Team of
International Mediation Trainers
Coming from different countries, cultures and professional backgrounds, our team is here to share their expertise and experiences with you. Click on a trainer to view their profile and associated trainings and more.

Wathek Maghrebi
Lawyer Mediator
Wathek Maghrebi is a lawyer mediator at the Tunisian and Paris Bar. Mediator since 2006, he was approved by the Belgium Federal Mediation Commission in 2007. Member of the scientific council of the ..
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Dr Imke Wulfmeyer
CONSENSUS Campus Training Director and Mediator
CONSENSUS Campus training director, mediator (German mediation associations: BAFM/BM), deputy spokesperson for the Federal Working Group for Family Mediation in Germany, lawyer and systemic couples th..
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Matthias Ryffel
International Mediator
Matthias found mediation in 2015 at the Swiss Ministry of Foreign Affairs, after his first professional years in journalism. Since then, he has supported, trained, studied, lived and practiced mediati..
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Dr Nadine Ansorg
Lecturer &, Researcher
Dr Nadine Ansorg is a Senior Lecturer in International Conflict Analysis at the School of Politics and International Relations at the University of Kent, and a Research Fellow at the GIGA German Insti..
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Steve Rottman
Mediator
Steve Rottman is one of America's most respected mediators. An honors graduate of Harvard Law School and a summa cum laude graduate of Duke University, he spent 20 years as a trial lawyer before commi..
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Dr Greg Bond
Mediator and Trainer
Greg was born in the UK and lives and works in Germany. He teaches mediation, negotiation and cross-cultural communication in commercial law, management and MBA programmes at the Technical University ..
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Hilal Çalkın
Lawyer and Mediator
Hilal Çalkın is a lawyer registered in the Izmir Bar Association since 1988 and a mediator registered in the Mediators Registry under the Ministry of Justice since 2013
View Trainer BioStay Connected for More Insights
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