The Panel

Our Mediators

Mediators working with Mediation Chambers bring professional experience across law, business, finance and the public sector and facilitate civil and commercial mediation across a wide range of disputes.

The panel includes mediators with experience across commercial, workplace and organisational disputes.

Mediators practising through Mediation Chambers hold their own professional indemnity insurance. Individual accreditations and professional memberships are indicated where applicable.

Professional memberships shown apply to individual mediators as indicated.

Raphael Kessler

Raphael Kessler

Society of Mediators Certified Mediator 2026CMC Associate Mediator 2026

More than a decade's experience in Alternative Dispute Resolution (ADR). Background in senior public sector leadership, education and business environments, with extensive experience managing complex organisational disputes and negotiations involving staff, unions and senior leadership.

His mediation work focuses on structured resolution of commercial disagreements, workplace conflict and disputes within professional organisations.

Areas of Experience

Commercial mediationCommercial disputesCivil disputesOrganisational conflictPublic sector mattersEducational institution disputesBusiness disagreementsPartnership disputesLeadership and governance
Sarah Bond

Sarah Bond

Society of Mediators Certified Mediator 2026

Former solicitor with extensive experience in senior human resource matters predominantly within the legal and pharmaceutical sectors. Business and executive leadership roles at start and scale-ups, responsible for driving business growth, for employee engagement development and retention, and for organisational culture.

Her work has involved resolving complex workplace disputes, employee relations issues and professional disagreements, and she specialises in workplace and commercial mediation.

Areas of Experience

Workplace mediationCommercial mediationEmployment mattersHR and people mattersEmployee relationsLegal sectorBusiness leadership
Natalia Sartor

Natalia Sartor

CMC Associate Mediator 2026

Legal education and a career spanning insurance, technology and big four management consulting, bringing a combination of risk awareness, commercial acumen and strategic problem-solving.

She is particularly effective in disputes involving professional services, technology implementation, insurance coverage, and multi-party commercial relationships, and also has experience in employment disputes, including discrimination and redundancy matters.

Areas of Experience

Commercial mediationInsurance disputesCommercial contractsTechnology disputesProfessional servicesMulti-party disputesProfessional liabilityEmployment mattersBusiness relationships
Jeremy Bevan

Jeremy Bevan

Society of Mediators Certified Mediator 2026

Background in finance and commercial business environments, with experience in disputes involving corporate relationships, investment arrangements and shareholder matters.

Areas of Experience

Commercial mediationFinancial disputesCommercial agreementsBusiness partnershipsShareholder mattersInvestment disputesCorporate disagreements

Mediators practise independently and may work individually or in co-mediation depending on the needs of the dispute.

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This is typically a brief conversation to explain the mediation process and understand whether Mediation Chambers may be appropriate for your situation.

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