
Independent Expert Witness
in Workforce Governance & Compliance
Expert opinion for courts, tribunals, and complex workforce disputes.
Evidence-based expert opinion in complex workforce, compliance, and labour supply chain disputes where governance and accountability are in question.
His opinions focus on how workforce systems operate in practice, not just how they are documented, bridging the gap between contractual intent and operational reality.
Overview
David Ballew is an independent expert witness specialising in international workforce governance, compliance, and employment status disputes. He is instructed in matters where workforce models, operational practices, and compliance frameworks are under scrutiny, providing impartial, evidence-based opinion on how systems function in practice, not just how they are documented.
With more than 30 years of international experience across staffing, MSP, VMS, and contingent workforce governance, David brings a rare combination of commercial, operational, and human-capital insight to contentious matters involving modern labor supply chains.
Areas of Expert Opinion
David is instructed to provide independent expert opinion, not advocacy, in matters where workforce governance, accountability, and compliance outcomes are in question, including:
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Worker misclassification and employment status disputes
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Cross-border and multi-jurisdictional workforce risk
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Contingent workforce compliance and governance
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MSP and VMS operating models and accountability boundaries
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Workforce procurement and labor supply chain failures
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Vendor and program performance disputes
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Industry standards and reasonable operator expectations
Opinions focus on industry practice, operational governance, and compliance systems, rather than legal interpretation.
Professional Background
David has advised multinational organizations, MSPs, staffing firms, and workforce technology providers across more than 90 countries, including Fortune 100 and Fortune 500 enterprises operating complex, high-risk workforce models, experience that underpins his expert opinion in matters involving global workforce governance and compliance.
He is the Founder and CEO of Nimble Global Ltd, an independent workforce compliance advisory firm supporting enterprise clients where employment, tax, regulatory, and operational risks intersect across complex labor supply chains.
Independence & Methodology
David acts independently of instructing parties. His expert opinions are:
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Objective, impartial, and evidence-based
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Formed using structured assessment frameworks and audit methodologies
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Grounded in accepted industry standards and documented practices
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Compliant with the duties of an expert under CPR Part 35 and the Ikarian Reefer principles
David does not provide legal advice and does not opine on matters of law.
Experience as an Expert
David is instructed in matters involving:
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Independent expert reports
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Pre-litigation and internal investigation opinions
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Advisory opinions supporting dispute resolution and regulatory matters
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Assessment of standard-of-care and governance failures in workforce programs
Professional Listings & Affiliations
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Listed on the UK Register of Expert Witnesses (JS Publications)
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Affiliate Member, The Expert Witness Institute
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Fellow, Chartered Institute of Procurement & Supply (FCIPS)
Instructions Accepted
Instructions are accepted on the following basis:
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Single Joint Expert (SJE)
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Claimant or Defendant expert
UK and international instructions accepted.
Instructions are accepted subject to conflict checks and confirmation of independence.
Or contact directly: legal@nimbleglobal.com
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