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The Mediators' Green Pledge outlines measures for mediators to reduce their climate impact. View it here.I am the founder and CEO of Consensus, one of the leading international organisations for mediation, negotiation, and conflict resolution training. With more than two decades of professional experience, I have designed and delivered mediation processes for multinational companies, public institutions, and international organisations. My focus lies on complex, cross-border cases, often involving intercultural dynamics, diplomacy, and systemic transformation.
In addition to my practical mediation work, I advise supervisory boards and public bodies on conflict-sensitive governance and stakeholder dialogue. I regularly speak at global forums and lead the International Mediation Campus, which has trained professionals from over 80 countries. My approach combines strategic process design, intercultural sensitivity, and a deep commitment to constructive, interest-based solutions.
With over 20 years of experience in mediation and conflict resolution, I have facilitated more than 1,000 mediation processes across sectors, cultures, and jurisdictions. My work focuses on complex, multi-stakeholder cases in organisational, cross-border and public contexts. I have mediated in highly sensitive environments involving international institutions, governments, corporate actors and civil society stakeholders.
In addition to mediating, I design conflict resolution systems, coach senior leaders, and advise organisations on dialogue architecture and negotiation strategy. As the founder and CEO of Consensus, I have built one of the most active mediation institutions worldwide. My expertise is rooted in international practice, intercultural competence, and the ability to combine process neutrality with strategic clarity.
My mediation style is interest-based and transformative, with a strong focus on emotional dynamics and process architecture. Grounded in my PhD research on the role of emotions in negotiation and mediation, I bring deep insight into high-conflict situations and emotionally charged dynamics.
I work with a calm, structured and empathic approach that supports parties in shifting from positions to underlying needs – especially in intercultural and multi-party settings. I tailor each process to the specific context, integrating strategic clarity, psychological safety and the space for genuine dialogue. My practice is informed by over two decades of international experience and a commitment to building lasting, trust-based outcomes – even in polarized or seemingly deadlocked situations.
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Workplace and organisational mediation
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Cross-border and intercultural conflict resolution
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High-conflict and emotionally escalated cases
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Public sector and multi-stakeholder dialogue processes
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Conflict system design for institutions and international organisations
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Executive and leadership-level mediation
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Mediation in diplomacy-related or policy-sensitive context
upon request
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Certified Mediator under the German Mediation Law (§ 5 MediationsG, certified training in accordance with the official regulations)
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Distinguished Fellow and Honorary Member of the International Academy of Mediators (IAM)
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Member of multiple international mediation networks and EU-level expert groups on ADR and dialogue processes
upon request
I hold a Master’s degree in Mediation from the Faculty of Law and have completed over 1,200 hours of mediation-specific education and training. My formal certification meets the requirements of the German Mediation Act (§ 5 MediationsG), and includes in-depth training in negotiation, ADR processes, and legal, psychological, and intercultural aspects of mediation.
In addition, I hold a PhD focused on the role of emotions in negotiation and mediation, which informs my approach in complex, high-conflict settings. I have pursued further specialisation in transformative mediation, conflict system design, and cross-border mediation. As founder of a globally active mediation academy, I continue to train and supervise mediators around the world.
As founder and director of the International Mediation Campus and Consensus Campus, I have trained and mentored hundreds of mediators from over 80 countries. My programs include accredited certification courses (IMI, SIMI, CAO) and are delivered in hybrid, online, and in-person formats.
I regularly mentor early-career and advanced practitioners in areas such as intercultural mediation, workplace and organisational conflict, and complex multi-stakeholder processes. I also supervise real-life mediations and coach mediators in high-conflict and diplomatic settings. My training approach is practice-oriented, reflective, and focused on empowering independent, professional mediators who act with clarity, empathy and strategic awareness.
Publications – Dr. Andrea Hartmann-Piraudeau
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The Epistemologies of Mediation: Is Mediator Passiveness a Decolonising Strategy
Interculture Journal, Jan 2023
Explores the theoretical foundations of mediation, based on qualitative research across Europe. The article questions dominant paradigms and opens a discussion on mediation, passivity, and power in intercultural contexts. -
Surprises and New Paths on the Journey to Developing Online Mediation Training
In: Jameson, Jessica & Missy, Hannah (Eds.): Contemporary Trends in Conflict and Communication, De Gruyter, Apr 2022
A reflective chapter on developing online ADR education formats, lessons learned during the pandemic, and how digital design reshapes mediator learning and interaction. -
Mediators in the Leading Role – Understanding and Actively Managing Mediation
Springer, Mar 2022
This book provides practical frameworks for mediators on how to lead complex processes with clarity, purpose, and ethical awareness. It is the English version of the original 2020 German edition. -
Out of the Spiral of Conflicts
Springer, Jan 2022
A scientifically grounded and accessible guide to understanding the escalation of conflicts and strategies to regain clarity and resolve. Based on real-life cases and psychological conflict research. -
Professional Dispute Mediators’ Notions of Culture
Routledge, Jan 2022
Co-authored chapter examining how mediators across Europe perceive and respond to cultural factors in their practice. Draws on discourse theory and qualitative interviews. -
Raus aus der Konfliktspirale
Springer, Nov 2021
The original German edition of “Out of the Spiral of Conflicts.” Offers insights into how conflict dynamics unfold and how mediators can guide parties out of the escalation loop. -
Mediatoren in der Hauptrolle – Mediation verstehen und aktiv steuern
Springer, Sep 2020
German original of “Mediators in the Leading Role.” Focuses on the active and reflective role of mediators in shaping processes and societal dialogue. -
Kooperation oder Konfrontation? Die Wirkung von Commitment, Empowerment, Emotion und Kritik in Verhandlung und Mediation
PhD Thesis, Universität Hohenheim, Oct 2019
Empirical study on the effects of emotional and strategic interventions in mediation and negotiation. Investigates variables like empowerment, anger, and commitment through experimental methods.
My practice is guided by the principles of the German Mediation Act (§5 Mediationsgesetz), the European Code of Conduct for Mediators (2004), and the IMI Code of Professional Conduct. I adhere to the highest ethical standards in terms of impartiality, transparency, confidentiality, and voluntary participation.
I continuously reflect on my role and interventions in accordance with international best practices and a strong commitment to accountability, neutrality, and professional development.
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