Sarah has over 30 years' experience consulting, facilitating, and mediating in public and private sectors. She specialises in developing organisational cultures grounded in trust, openness, and honest dialogue. Her work builds relational capability, supporting leaders, teams, and organisations to navigate tensions and conflict by strengthening the quality of connection.

For over two decades, Sarah has championed the value of collaborative technologies, using them to foster deeper connection and create environments where everyone can contribute openly and efficiently, whether online or in person.

Her passion lies in guiding individuals and teams to work effectively together, helping clients cultivate cultures where strong relationships foster organisational development. Alongside her consulting work, she is currently Head of Ubuntu Round Tables Programmes at the Tutu Foundation UK.

Marie Coombes is an award-winning workplace mediator, trainer, and speaker with a passion for neurodiversity, mental well-being, and conflict resolution. With over 300 successful mediations across diverse sectors, she specialises in creating psychologically safe workplaces by bridging the gap between employees, unions, and management. A leader in diversity-aware mediation, Marie's innovative approach to mental health, trauma, and neurodivergence has earned her national recognition, including the 2024 Diversity & Inclusion Award. Backed by an MBA and Fellowship from the Chartered Management Institute, she is a catalyst for change; transforming workplace cultures, tackling toxic environments, and empowering individuals to thrive.

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Alexandra has nearly 20 years of experience in the field of organisational conflict resolution and mediation. She holds two Master’s degrees, including an M.A. in Organisational Psychology. She has worked internationally in New York and at the United Nations in Geneva. Alexandra is the co-founder and Director of Consensio, one of the UK’s leading conflict management and workplace mediation services providers.

Consensio empowers clients to informally manage workplace conflict and build resilient workplaces, enhancing the well-being of organisations and their people. Consensio offers support in all areas of conflict management, providing consultancy, leadership development, training, e-learning, coaching and mediation services. Clients include: the BBC, British Gas, Bupa, Nespresso, Sony, University of Cambridge, Westminster City Council, NHS Trusts, WWF and Unicef.

Tracey is a transformative mediator, with over 20 years' experience in resolving complex and emotionally charged disputes.

CEDR Accredited since 2003, Tracey is a proficient neutral with an impressive track record of successfully engaging in a diverse spectrum of cases,  from employment, workplace and commercial, through to clinical negligence and private health care matters.

In addition, Tracey is a highly respected global conflict management consultant (working with trade unions through to UN agencies), a leadership coach (clients from the creative industries through to leading global financial markets), and a facilitator including being Lead Faculty for CEDR's flagship Mediator Skills Training course for commercial mediators and Negotiation Skills Training.

David established The TCM Group in 2001. He has built a world class team with a reputation to match. TCM specialises in the three areas of culture, climate and conflict resolution. In 2024, David was recognised as a top HR most influential thinker and he is a member of the prestigious Thinkers 50 Radar. He is author of two books Managing Conflict and Transformational Culture published by Kogan Page. The latter was shortlisted for business book of the year 2022 and the 2nd edition of Managing Conflict is being published in October 2023. David is also president of the People and Culture Association (www.peopleprofessionals.org).

Joanna is the Assistant Chief Conciliator leading the collective conciliation team covering the South of England and Wales.  

As an accomplished Conciliator, Facilitator and Mediator she works with and supports organisations and trade unions through their dispute resolution processes as well assisting parties to improve their industrial relations pre and post dispute.  

Joanna has been an Acas mediator for 16 years and also has extensive experience training mediators both internally, and for external organisations.

Liz Rivers is a workplace mediation expert, women's leadership coach and member of the IPOS panel. In the 1990s she became the first woman in the UK to be a CEDR accredited mediator, she is listed in The Legal 500 as a top mediator and has been mediating for over 30 years. She was a commercial litigation solicitor in the City with Eversheds Sutherland for over a decade and is a member of the CEDR training faculty, training mediators around the world. Liz was invited to give evidence to the House of Commons Women and Equalities Select Committee on the use of mediation to address sexual harassment disputes in the workplace. She has been interviewed live on BBC Radio 4 and her work has been featured in the Guardian.

CEDR accredited in 2006, Caroline Sheridan, CEO is a member of the CEDR Chambers and sits on the Civil Mediation Council's Mediation Standards Board. Caroline chaired the CMC's Workplace & Employment group for a number of years and is also a former CMC Board Director.  She like many of her colleagues across the mediation landscape has been successful in driving increased awareness of the benefits of mediation in those roles.

David's 40 year experience as a specialist employment law practitioner covers a wide variety of employment-related issues, including recruitment, disciplinary and grievance procedures, the defence of employee discrimination and dismissal claims, employee health, data protection and intellectual property and confidentiality matters among others. David's clients span from senior individuals to household-name corporates and across all sectors, with particular expertise in the financial services sector. David is a well-known speaker on employment matters, both in-house to clients and for commercial training providers, and is a regular contributor to employment publications. He is an accredited CEDR Mediator and a keen exponent of the role of mediation in the modern workplace, scoring significant successes for corporate and individual clients through that route. He is a member of the workplace and employment sub-group of the Civil Mediation Council. David was recently named in the Best Lawyers in the United Kingdom and Who's Who Legal publications and has been a fixture in both the Chambers and The Legal 500 directories for many years.