LAWYER PROFILE
Dennis Horeman

Dennis Horeman

Europe 2026

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Ranked in 1 practice area

About

Provided by De Brauw Blackstone Westbroek

Practice Areas

Litigation, Financial Markets & Regulation, Mass Claims & Class Actions, Arbitration, and Insurance

Career

Dennis makes up the Management Board of De Brauw, together with Hanne Buis and Klaas de Vries.

Dennis is a member of the dispute resolution practice and the financial markets regulation practice. He has wide experience in litigation and arbitration in the financial sector. He represents banks and insurers in a wide range of disputes, including the defence against claims for alleged duty of care and misselling. He also represents financial institutions as claimant against other parties. Dennis leads the defence in a wide range of collective litigation matters from financial services, to consumer products, and climate change. He represented Ageas in the most recent court-approved collective settlement in the Netherlands.

Dennis is an expert on insurance law. He acts for corporate insureds in complex claims involving product liability, professional liability, D&O liability and fraud.

Professional Memberships

- Member of the Disciplinary Council of the Amsterdam Bar Association

Key sectors

Financial InvestorsFinancial ServicesEnvironmental and Waste

Chambers Review

Provided by Chambers

Chambers European Guide

Insurance - Netherlands

Band 2
Band 2

Individual Editorial
Dennis Horeman handles both domestic and cross-border matters, with particular expertise in contentious insurance matters, including class actions and insurance coverage disputes. He often assists with D&O disputes, alongside other liability mandates.

Strengths

Provided by Chambers

  • Dennis Horeman is a strategic thinker with enormous legal knowledge and commercial insight.

    InsuranceChambers European Guide
  • Dennis combines deep expertise with a sharp commercial vision that adds significant value. He navigates complex issues with ease, always remaining focused on practical, business-minded solutions.

    InsuranceChambers European Guide
  • Dennis Horeman is a very knowledgeable and service-minded lawyer.

    InsuranceChambers European Guide
  • Dennis Horeman is very well connected in the insurance industry and has a deep understanding of the market.

    InsuranceChambers European Guide
  • Dennis Horeman consistently goes above and beyond to support our needs.

    InsuranceChambers European Guide

Ranked Individuals at De Brauw Blackstone Westbroek (44)

Europe-wide

Netherlands

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