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 ofcases, 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 flagshipMediator Skills Training course for commercial mediators and Negotiation Skills Training.

Jane Gunn is an expert in the field of conflict resolution, a trained mediator and facilitator, known to her clients as "The Barefoot Mediator". Listed as a Global Leader in Who's Who Mediation and featured in Legal 500 Hall of Fame, she is the author of 3 popular books "How to Beat Bedlam In The Boardroom And Boredom In The Bedroom", "The Authority Guide To Conflict Resolution" and "The Mole and The Mountain". She has spoken at the United Nations, The White House and the European Commission.

David Liddle is one of the UK's leading voices on people, culture, and leadership. Named the number one HR Most Influential Thinker 2025 by HR Magazine, he was also awarded Consultant of the Year 2025 for his work in cultural transformation and change management. David is the author of three books, including People and Culture, which supports organisations in moving beyond legacy HR towards a modern, people-centred model. He is editor in chief of The People Leader platform and has led award-winning cultural transformation programmes at TSB Bank, Burberry, Next and many others.

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, during which time she has also trained mediators both internally and for externally organisations.

Paul O'Donnell is Managing Director at CMP, bringing with him over 20 years' experience in training and capability development. He has extensive experience in helping organisations build practical conflict and communication skills through blended, experiential learning that delivers lasting impact.

Kevin Rowan joined Acas as Director of Dispute Resolution in March 2025. Prior to this, he was Head of Organisation and Services at the Trade Union Congress, responsible for trade union renewal, public services and transport policy, regional policy, workplace learning and the TUC's extensive programme of workplace representative training. Kevin has had many non-executive director roles over his career, including being a member of Acas Council, representing the interests of workers, collaborating with other board members to tackle issues such as HSE effectiveness, inclusion, L&D and equality and diversity.

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.

Amrit Sandhar is the Founder of &Evolve Ltd, a multi-award-winning UK-based consultancy specialising in culture, leadership and employee engagement. He works with organisations across the UK to improve employee experience and organisational performance, using a data-driven, practical approach grounded in neuroscience, psychology and operational leadership experience. Amrit began his career as a qualified Pharmacist before moving into senior leadership roles within Walmart's UK business, Asda, where he later led Employee Engagement. He also worked at board level with Best Companies, supporting organisations to improve culture and engagement. He is an ILM Level 7 qualified Executive Coach, an accredited change trainer, and holds a CIPD Advanced Diploma (Level 7) in HRM/HRD.

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 Caroline Sheridan is founder and CEO of Sheridan Worldwide, a global business focused on realising brilliance in people and their organisations.

CEDR accredited for more than20 years, Caroline specialises in the restoration of workplace relationships often assumed beyond repair.

On a personal level, she continues to be highly rated in legal directories including the Legal 500 and her business too has won many awards. She is passionate about dialogue and helping both managers and employees to deal with issues as they emerge.

A CMC Fellow and former CMC Board member, Caroline today sits on the CMC’s Mediation Standards Board and is committed to its focus on continued professional development across the industry. Caroline previously built a 30 year career in the City in banking and financial services rising to CPO and Head of Compliance, before moving to Sales and Marketing roles in Talent Management.

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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. David's clients include both senior individuals and household-name corporates 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. 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.

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