Expert Witness Services

Independent occupational medicine evidence for complex employment and workplace health matters.
Dr Abeyna Jones, occupational health expert witness in London

Independent Evidence

Objective occupational medicine opinion within the expert’s professional competence.

Direct Consultant Review

Every proposed instruction is reviewed and managed personally by Dr Abeyna.

Selective Instructions

Matters are accepted only where occupational medicine evidence can assist.

Overview

Independent Occupational Medicine Evidence

Workplace disputes involving health often turn on questions that are clinically complex and legally significant.

A court, tribunal or legal team may need an independent medical opinion on fitness for work, functional capacity, workplace adjustments, long-term absence or the occupational impact of an illness or injury. Routine occupational health advice may not provide the detailed analysis required for legal proceedings.

Dr Abeyna provides selective occupational health expert witness services from London for solicitors, employers and other authorised instructing parties handling complex workplace health matters.

As a Consultant Occupational Health Physician with nearly two decades of experience, Dr Abeyna Jones brings a physician-led understanding of how health, work demands and organisational circumstances interact.

Every proposed instruction is reviewed personally. Matters are accepted only where the questions fall within Dr Abeyna’s professional expertise and an independent occupational medicine opinion can assist.

An occupational medicine expert considers the relationship between a person’s health and their work.

In a medico-legal context, this may require analysis of medical records, employment documents, occupational health evidence, role demands and the questions set out in formal instructions.

The expert’s role is independent.

It is not to argue the case for the claimant, respondent, employer, employee or instructing solicitor. The purpose is to provide an objective opinion within the expert’s area of competence.

Relevant questions may concern:

  • Whether a health condition affected an individual’s ability to work
  • The functional effects of illness or injury
  • Fitness for a particular role at a relevant point in time
  • Whether proposed workplace adjustments were medically relevant
  • The likely occupational impact of symptoms or treatment
  • Whether further medical or occupational assessment was indicated
  • The effect of prolonged absence on return-to-work planning
  • The distinction between medical limitations and management concerns
  • The occupational significance of conflicting medical evidence
  • Whether a previous occupational health opinion adequately addressed the available information

Each instruction is considered on its own facts. No particular conclusion is assumed before the evidence has been reviewed.

Discuss a Potential Instruction

Matters an Occupational Health Expert Witness May Consider

Occupational health evidence may be relevant in employment, workplace or medico-legal disputes where medical issues affect a person’s function at work.

Potential areas include:

Fitness for Work

A fitness for work expert witness may be asked to consider whether an individual was medically capable of performing a specific role at a particular time.

This requires more than establishing whether the person had a diagnosis.

The opinion may need to consider:

  • The actual demands of the role
  • Symptoms and functional limitations
  • Treatment and medication
  • Working hours or travel requirements
  • Cognitive, physical or psychological demands
  • Safety responsibilities
  • Available medical evidence
  • Whether adjustments would have affected work capacity

Fitness is role-specific and time-specific. A person may be capable of some work without being fit for every aspect of a particular position.

Long-Term Sickness Absence

Disputes involving prolonged absence may raise questions about prognosis, rehabilitation, medical review and the practicality of a return.

An occupational medicine opinion may help clarify:

  • Whether available evidence supported continued absence
  • Whether further assessment was indicated
  • Whether a phased return was medically realistic
  • What functional restrictions were relevant
  • Whether the occupational position changed over time
  • Whether review intervals were clinically appropriate

Workplace Adjustments

A medical expert may be instructed to consider the occupational relevance of proposed or implemented adjustments.

The expert does not make the organisation’s legal decision. The medical role is to explain how particular adjustments may relate to health, function and the demands of the job.

Potential considerations include:

  • Modified hours
  • Reduced workload
  • Changes to travel
  • Remote or hybrid working
  • Temporary restriction of particular duties
  • Changes to the working environment
  • Rehabilitation support
  • Staged resumption of responsibilities

Stress, Burnout and Anxiety

Employment disputes may involve stress, burnout, anxiety or other health concerns said to have affected attendance, performance or capacity.

An occupational health expert may consider:

  • The work-related functional impact described in the evidence
  • The demands and pressures of the role
  • Relevant medical and occupational health records
  • Previous return-to-work attempts
  • Recommendations made at the time
  • Whether further specialist evidence may be required

Dr Abeyna’s role is occupational medicine. Psychiatric diagnosis, prognosis or causation questions that fall outside occupational medicine may require evidence from an appropriately qualified psychiatric expert.

Workplace Injury and Ongoing Work Capacity

A workplace injury medical expert may be required where an illness or injury is said to have affected the person’s ability to continue working or return to their previous duties.

Depending on the instruction, relevant issues may include:

  • Functional restrictions
  • Role demands
  • Rehabilitation
  • Workplace adjustments
  • Return-to-work planning
  • Residual work capacity
  • The need for further clinical evidence

Instructions involving specialist injury causation, prognosis or treatment may also require input from another medical discipline.

Executive and Senior Leadership Roles

Health disputes involving senior leaders may require particular attention to cognitive demands, travel, working patterns, regulatory responsibilities and leadership continuity.

An executive may appear capable of some work while remaining unable to sustain the full scope of a board-level or high-responsibility role.

Dr Abeyna’s occupational medicine experience allows the health evidence to be considered in the context of actual leadership demands.

Employment Tribunal Medical Expert Evidence

An employment tribunal medical expert may be instructed where independent medical evidence could assist with disputed workplace health issues.

Possible questions may relate to:

  • Fitness for work at a relevant date
  • The functional effect of a health condition
  • Long-term absence
  • Return-to-work recommendations
  • Workplace adjustments
  • The quality or limits of previous occupational health advice
  • Changes in capacity over time
  • Conflicting medical opinions
  • The relationship between symptoms and role demands

The expert does not decide whether the law has been breached.

Legal findings, including decisions about liability or whether a statutory definition has been met, remain for the tribunal or court. The expert provides medical opinion within the scope of the formal instructions.

Disability Discrimination Expert Witness Instructions

Health evidence may be relevant to cases involving alleged disability discrimination or a disputed need for workplace adjustments.

A disability discrimination expert witness instruction should distinguish medical questions from legal questions.

An occupational physician may be able to comment on:

  • The nature and functional effects of a health condition
  • How those effects may have influenced work
  • The expected duration or pattern of impairment, where supported by evidence
  • Whether particular duties were affected
  • The medical relevance of suggested adjustments
  • Whether further occupational health review was indicated

The legal interpretation of disability and the determination of discrimination are matters for the legal representatives and tribunal.

Dr Abeyna will only address questions that fall properly within occupational medicine.

Medico-Legal Reports from an Occupational Physician

An occupational physician medico-legal report should provide a clear, reasoned and independent analysis of the evidence relevant to the instruction.

Depending on the case, the work may involve:

  • Reviewing formal instructions
  • Identifying the questions requiring opinion
  • Reviewing medical records
  • Considering occupational health reports
  • Reviewing job descriptions and role information
  • Considering relevant employment records
  • Assessing the individual, where required
  • Analysing functional capacity
  • Explaining the occupational implications of health evidence
  • Identifying limitations or gaps in the available material
  • Providing an independent written opinion

The report should separate factual evidence, reported information and expert opinion.

Where the available material does not support a firm conclusion, that limitation should be made clear.

What Dr Abeyna Can Be Asked to Review

The documents required will depend on the instruction.

Relevant material may include:

  • A letter of instruction
  • Pleadings or tribunal documents
  • A schedule of questions
  • GP records
  • Hospital or specialist records
  • Occupational health reports
  • Fit notes
  • Treatment or rehabilitation records
  • Job descriptions
  • Information about working patterns
  • Management referral documents
  • Return-to-work plans
  • Workplace adjustment records
  • Relevant HR correspondence
  • Witness statements
  • Chronologies
  • Previous expert reports

Only material relevant to the occupational medicine questions should be provided.

The instructing party should identify any deadlines and explain the intended use of the opinion at the outset.

The Difference Between Expert Evidence and Clinical Occupational Health Advice

A clinical occupational health assessment is usually commissioned to help an employer make a current workplace decision.

An expert witness instruction serves a different purpose.

Clinical Occupational Health Advice

Clinical advice may address:

  • Current fitness for work
  • A proposed return
  • Workplace adjustments
  • Rehabilitation
  • Future review
  • Management referral questions

The focus is usually practical and forward-looking.

Expert Witness Evidence

Expert evidence may require:

  • Retrospective analysis
  • Detailed examination of records
  • Consideration of disputed facts
  • Response to formal legal questions
  • Explanation of competing medical opinions
  • A structured medico-legal report
  • A clear statement of the limits of the evidence

The expert’s independent duty takes priority over the interests of the party providing instructions or paying the fee.

Organisations seeking a current clinical assessment rather than medico-legal evidence should use the Physician-Led Occupational Assessments service.

Instructions That May Require Another Medical Specialist

Not every workplace health dispute falls within occupational medicine alone.

Dr Abeyna may decline an instruction or recommend additional specialist evidence where the central questions concern matters such as:

  • Psychiatric diagnosis or psychiatric causation
  • Orthopaedic injury
  • Neurological disease
  • Cardiology
  • Oncology
  • Pain medicine
  • Clinical negligence
  • Detailed prognosis outside occupational medicine
  • Capacity questions requiring another specialist discipline

Occupational medicine may still contribute where the principal question concerns the effect of a condition on work.

Suitability is assessed after the proposed instruction and questions have been reviewed.

What Instructing Parties Can Expect

Accepted instructions are managed personally by Dr Abeyna.

The exact service will depend on the agreed scope, but the instructing party can expect:

  • Direct consultant-level review
  • An independent occupational medicine perspective
  • Clear consideration of the formal questions
  • Analysis linked to the demands of the relevant role
  • Separation of clinical evidence from workplace assumptions
  • Identification of evidential limitations
  • Careful handling of sensitive medical information
  • A report focused on matters within Dr Abeyna’s expertise
  • Transparent discussion of scope before work begins

No outcome can be guaranteed.

An expert opinion may support, challenge or qualify the position advanced by the instructing party.

Why Legal Teams Choose Dr Abeyna

Consultant Occupational Health Physician

Dr Abeyna Jones is a Consultant Occupational Health Physician with nearly two decades of experience.

Her work is grounded in occupational medicine: the medical specialty concerned with the relationship between health and work.

Direct Personal Involvement

Every suitable instruction is reviewed and managed directly by Dr Abeyna.

The work is not delegated through a high-volume reporting panel.

Understanding of Complex Workplaces

Dr Abeyna has experience consulting with global organisations across different sectors.

This supports informed consideration of role demands, workplace structures and the practical implications of medical evidence.

Executive Health Experience

Senior leaders may hold responsibilities that are difficult to capture through a standard job title or generic functional assessment.

Dr Abeyna understands the pressures associated with executive work, leadership accountability and high-responsibility environments.

Founder of Medic Footprints

Dr Abeyna is the founder of Medic Footprints, a global platform connecting more than 120,000 doctors with national and international companies.

Professional Memberships

Dr Abeyna is a member of the Society of Occupational Medicine and the Faculty of Occupational Medicine.

Selective Case Acceptance

Instructions are accepted selectively.

Dr Abeyna considers whether:

  • The questions fall within her expertise
  • The instruction is sufficiently clear
  • The available timescale is workable
  • There is no conflict that prevents acceptance
  • The evidence required can be made available
  • An occupational medicine opinion is likely to assist

Submitting an enquiry does not mean that the instruction will be accepted.

The Four-Stage Expert Witness Process

1. Submit a Confidential Enquiry

Provide a concise summary of the matter, the parties involved, the proposed questions and any relevant dates or deadlines.

Sensitive records should not be sent unnecessarily before the scope and method of transfer have been agreed.

2. Personal Review by Dr Abeyna

Dr Abeyna reviews the proposed instruction to consider relevance, scope, expertise, potential conflicts and practical requirements.

Further information may be requested before a decision is made.

3. Formal Instruction and Assessment

Accepted matters proceed according to agreed written instructions.

The work may involve document review, a medico-legal assessment, clarification questions or other steps appropriate to the case.

4. Independent Medico-Legal Opinion

Dr Abeyna provides an independent occupational medicine opinion addressing the agreed questions.

Where required and accepted within the scope, subsequent work may include responses to clarification questions or further expert processes.

No service beyond the agreed instruction should be assumed.

Independence and Duty of the Expert

An expert witness must remain objective.

Dr Abeyna’s opinion is not determined by which party provides the instruction. It is based on the available evidence, the questions asked and the limits of occupational medicine expertise.

The opinion may not support the instructing party’s preferred position.

Independence also means that Dr Abeyna may:

  • Identify weaknesses in the evidence
  • Decline to answer questions outside her expertise
  • Qualify an opinion where records are incomplete
  • Revise an opinion if material new evidence becomes available
  • Recommend evidence from another medical specialty
  • Decline or end an instruction where professional independence cannot be maintained

This protects the integrity of the expert evidence and the legal process.

Confidentiality and Medico-Legal Information

Medico-legal work involves sensitive personal and medical information.

Information should be supplied securely and only where it is relevant to the instruction.

The person being assessed should understand that a medico-legal assessment differs from a confidential treating consultation. Relevant information may be included in a report prepared for legal proceedings and may be disclosed to authorised parties within that process.

The report should not include irrelevant medical detail merely because it appears in the records.

Instructing parties are responsible for ensuring that they have an appropriate legal basis for sharing information and commissioning the work.

Questions about privilege, disclosure, consent or data handling should be addressed by the relevant legal advisers.

An Occupational Health Case in Context

A senior executive stepped away following a significant health crisis.

The organisation faced uncertainty about leadership continuity and whether returning to executive-level work would be realistic. The situation required experienced occupational medicine, executive workplace strategy, rehabilitation support and careful return-to-work planning.

Three months later, the executive returned to the boardroom with greater clarity, confidence and stability.

This verified anonymised example illustrates the type of complex relationship between health, work and executive function that occupational medicine may need to analyse.

It is not presented as an expert witness instruction, legal case, testimonial or evidence of a guaranteed result.

Fees

Fees are discussed after the initial enquiry and proposed instructions have been reviewed. They will depend on the nature, scope and complexity of the matter.

Any required records review, assessment, report preparation or additional work should be agreed as part of the instruction.

Instruct an Occupational Health Expert Witness

Complex employment and workplace health disputes require an expert who can distinguish diagnosis from function, medical evidence from assumption and clinical opinion from the ultimate legal decision.

Dr Abeyna provides selective occupational health expert witness services from London, with particular attention to fitness for work, workplace adjustments, long-term absence, executive function and other occupational medicine questions.

Every proposed instruction is reviewed personally.

Submit a confidential expert witness enquiry.

Fitness for Work Evidence

Role-specific analysis of health, function and work capacity.

Employment Tribunal Matters

Independent medical opinion addressing relevant occupational questions.

Workplace Adjustments

Medical analysis of functional relevance and job demands.

Medico-Legal Reports

Clear, reasoned occupational physician reports based on the evidence.

Records & Evidence Review

Structured review of medical, employment and occupational health material.

Executive Role Analysis

Assessment reflecting leadership demands and high-responsibility environments.

Frequently Asked Questions

What does an occupational health expert witness do?

An occupational health expert witness provides independent medical opinion on the relationship between health and work.

The expert may consider fitness for work, functional capacity, workplace adjustments, sickness absence, rehabilitation or the occupational impact of illness and injury.

Occupational medicine is the medical specialty concerned with health and work.

Occupational health is a broader term that may include services delivered by physicians, nurses and other workplace health professionals. Dr Abeyna provides physician-led occupational medicine opinion.

Instructions will usually come from solicitors, legal representatives or another appropriately authorised instructing party.

Each proposed instruction is reviewed before acceptance.

Potential instructions are assessed according to the questions, scope, expertise and any relevant conflicts.

Regardless of which party provides the instruction, the opinion must remain independent.

An occupational medicine opinion may assist in an employment tribunal matter where health and work are materially relevant.

The expert addresses medical questions. The tribunal determines the legal issues.

The legal determination is not made by the medical expert.

Dr Abeyna may provide occupational medicine evidence about the condition, duration, functional effects and workplace implications where those questions fall within the agreed instruction.

She may comment on the medical or functional relevance of proposed adjustments.

Whether an adjustment was legally required or reasonable in all the circumstances is a legal and organisational matter.

A retrospective opinion may be possible where adequate contemporaneous evidence is available.

The reliability and limits of any conclusion will depend on the quality of the records and the questions asked.

Potentially.

She may be asked to consider whether the report addressed relevant occupational questions, reflected the evidence available and explained its conclusions.

Acceptance depends on the precise instruction.

No.

An expert witness assessment is undertaken for a medico-legal purpose. It is not a treating consultation and does not replace care from the person’s GP or medical specialists.

Not necessarily.

The required process depends on the questions, the evidence and the agreed instruction. Some opinions may require an assessment, while others may primarily involve document review.

Dr Abeyna may comment on occupational function where this falls within occupational medicine.

Questions requiring specialist psychiatric diagnosis, causation or prognosis may need a consultant psychiatrist.

She may consider the occupational consequences of injury, including work capacity, restrictions, rehabilitation and return to work.

Specialist questions about injury diagnosis, causation or prognosis may require another medical expert.

Suitable instructions involving CEOs, founders, board members or other senior leaders may be considered.

The opinion may require detailed analysis of the actual demands and responsibilities of the role.

Dr Abeyna sees suitable clients at her occupational medicine practice in Marylebone, London and may consider instructions from across the UK.

The appropriate assessment arrangements depend on the case.

No standard turnaround time is promised.

Timing depends on the scope, volume of records, assessment requirements, existing commitments and agreed deadlines.

Deadlines should be disclosed with the initial enquiry.

It should identify the parties, provide relevant background, state the questions clearly, explain the intended forum and list important deadlines.

The expert should not be asked to determine legal questions or provide opinions outside occupational medicine.

This may be possible where included within, or added to, the agreed scope.

Any further work should be formally requested and agreed.

Fees are discussed after the proposed instruction has been reviewed and depend on the volume of records, assessment requirements, complexity and scope of the report.

Email consult@drabeyna.com with:

  • A concise case summary
  • The proposed questions
  • The parties involved
  • The legal forum, where applicable
  • The volume of records
  • Any assessment requirement
  • Relevant deadlines

Dr Abeyna will review the enquiry personally. Submission does not guarantee acceptance.

Instruct an Occupational Health Expert Witness

Complex employment and workplace health disputes require independent medical analysis that distinguishes diagnosis from function and clinical opinion from legal determination.
Dr. Abeyna
Senior Leader Health Specialist