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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

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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 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.

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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 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.

Partner 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.

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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.

Hilal Çalkın

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

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Maria Francesca Francese

Maria Francesca Francese

IMI Certified Mediator, MCIArb

Francesca is a civil and commercial mediator, with almost two decades of experience and thousands of mediated cases.

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Prof Ran Kuttner

Prof Ran Kuttner

Associate Professor of Dispute Resolution &, Mediator

Ran is an Associate Professor of Dispute Resolution (expert track) at the University of Haifa, where he teaches in the International Graduate Program in Peace and Conflict Management Studies.

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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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Jean-Christophe Barth-Coullaré

Jean-Christophe Barth-Coullaré

Executive Director of the World Association of PPP Units &, Professionals (WAPPP)

Jean-Christophe (also known as “JC”) Barth-Coullaré is the Executive Director of the World Association of PPP Units & Professionals (WAPPP), based in international Geneva. WAPPP is a global network wi..

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Esther Oman

Esther Oman

Mediator and Director

Esther Omam is the Executive Director of Reach Out NGO. She has been at the forefront of development issues, building a culture of peace and rights and conducting humanitarian assistance in the South ..

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Oksana Ratushnaya

Oksana Ratushnaya

Mediator, Lawyer and Supervisor of family mediators.

For over 20 years, she has advised business owners on partnerships, negotiation preparation and conflict management.

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