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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 Meet the Team

Trusted By Global Organisations

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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
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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

 

Explore Our Courses Meet the Team

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 IMC, IMI and ISM and accredited by SIMI. 

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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.

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Dr Andrea Hartmann-Piraudeau

Founder and Managing Director of CONSENSUS Group

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Dr Andrea Hartmann-Piraudeau

Founder and Managing Director of CONSENSUS Group

Andrea founded Consensus Group a German well known service provider for mediation in 2014 and in line with that later the International Campus.
Her expertise and at the same time passion lies in conflict resolution, intercultural communication and curriculum development. She draws on a wealth of knowledge and practical experience on the topics of mediation, negotiation, intercultural communication, leadership, process design and organisational development. Before establishing the company, she managed large European projects, conducted negotiations and set up an internationale study program, among others. She is an international certified mediator (IMI) and has supported many parties to settled conflicts internationally in commercial, workplace and multi-party settings. In this role, she also advises ministries, governments and organizations worldwide. Her academic training consists of a master's degree in communication sciences and sociology, a Master in mediation and a PhD in Social science on the topic "Cooperation or confrontation? The effect of commitment, empowerment, emotion and criticism in negotiation and mediation". She completed the last two degrees on the job in order to delve deeper into the subject she also focuses on in practise. Andrea has published scientific books and essays about mediation and conflict management. Her special area of consulting lies on highly escalated conflicts, intercultural conflicts and multi-party conflicts, community conflicts involving private sector and government stakeholders. She also taught in diverse universities and developed trainings and curriculums for different target groups in various sectors

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Alexandra Kieffer

Member of the Management Board Consensus Group

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Alexandra Kieffer

Member of the Management Board Consensus Group

Alexandra Kieffer began her path to conflict resolution and mediation by studying sociology, economics and the Joint Master Degree "Peace and Conflict Studies" in Germany and England. She is a certified mediator and Senior Programme Manager in the national (CONSENSUS Campus) and international (IM Campus) training area of CONSENSUS. After working as a consultant in the field of political communication, she is now mainly responsible for international projects on conflict resolution, communication and mediation at CONSENSUS.

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Ian Rigden OBE FRGS

Director International Mediation Campus (IMC)

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Ian Rigden OBE FRGS

Director International Mediation Campus (IMC)

 
Ian joined the British Army in 1980 and spent 37 years in uniform, retiring in 2017. He spent most of his service in the Brigade of Gurkhas in many places around the world. He has spent that last 8 years working as a humanitarian.
He was the Regional Security Sector Advisor for the Centre for Humanitarian Dialogue Asia Regional Office and Myanmar Team from 10 July 2017 to 1st April 2022 working on the Myanmar Peace Process, engaging with multiple actors. He then became the Regional Advisor for HD Asia-Pacific, coordinating, mediating and facilitating specific projects on Humanitarian access and human security (particularly Myanmar), but also supporting HD’s wider efforts in South East Asia, including Thailand, Bangladesh and the Philippines, as well as providing security sector advice to HD’s team globally as required. He has taught mediation and negotiation and facilitated multiple dialogues during the last 7 years plus to many conflict parties throughout South East Asia and further afield, with another 15 years negotiation and mediation practical and teaching experience in the UK Armed Forces prior to that. He is currently the Director of the International Mediation Campus (IMC), the international arm of the mediation and negotiation training organisation, CONSENSUS Group, Germany. IMC is registered in London. He is a member, facilitator and mentor for the Centre of Competence for Humanitarian Negotiation (CCHN), which is based in Geneva. He holds Master’s Degrees in Defence Studies from King’s College, London (1995), and Strategic Studies from the US Army War College (2008). He is also a Fellow of the Royal Geographical Society.

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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 IMC certified international mediator and eligible to become IMI qualified. After the training, you can be listed on the IMC 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 and accredited by the Singapore International Mediation Institute (SIMI). After successful completion of the training, participants receive a certificate issued by the ISM and CONSENSUS.

Partner with IMC

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.

Contact Us View Partners

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.

Garance Goujard

Garance Goujard

Mediator

Garance Goujard is an environmental engineer and a real estate, construction and urban planning jurist. She held various positions in a large construction group, in the South-East of France, during te..

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Dani El Habel

Dani El Habel

PhD Candidate Aix-Marseille University and volunteer at IM Campus

PhD Candidate Aix-Marseille University and volunteer at IM Campus

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Elif Kalan

Elif Kalan

Conflict Resolution and Peacebuilding Expert

Elif Kalan is a conflict resolution and community-based peacebuilding expert and consultant having more than 10 years of experience. She supports social groups in improving skills and knowledge to eng..

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Özlem Ünde

Özlem Ünde

Psychologist and member of the Turkish Psychological Association

Özlem Ünde is a psychologist registered as a member in the Turkish Psychological Association

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Diego Faleck

Diego Faleck

Mediator

Diego Faleck is a full-time mediator, settlement counsel and a dispute systems designer established in Brazil, with a unique track record in national and international business mediation cases and dis..

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Catherine Davidson

Catherine Davidson

Mediator

Catherine Davidson is a nationally accredited mediator (NMAS) and IMI Certified mediator practising in Australia and internationally.

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Olusola Adegbonmire

Olusola Adegbonmire

CEDR Accredited Mediator

Mrs. Olusola Adegbonmire is a Legal Practitioner and Partner in the Law Firm of Sola Ajijola and Co. where she has practiced law for the past 34 years.

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