LAWYER PROFILE
Mark Fennessy

Mark Fennessy

Europe 2026

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Ranked in 1 practice area

About

Provided by McDermott Will & Schulte

Practice Areas

Mark Fennessy is the co-head of the London Transactions Group, and the London Finance, Restructuring and Special Situations Group. He focuses his practice on contentious and non-contentious restructuring and insolvency matters. He has particular experience in multifaceted group collapses and global insolvency issues. He has been involved in a number of high-profile assignments for banks, funds and various strategic parties. Mark leads a team with unrivalled expertise in special situations, including in relation to assets facing significant and complex governance and financial challenges.

Mark has advised on a number of complex cross border matters for creditors (including direct lenders and distressed debt funds) and sponsors and is highly skilled in the restructuring of complex structures. He has also actively led a number of complex litigation matters and has significant experience in the investigation of complex fraud cases, multijurisdictional disputes, anti-avoidance/antecedent transaction advice, corporate investigation and analysis, asset tracing, international enforcement and the development of litigation strategies.

Additionally, Mark is a Licensed Insolvency Practitioner and an Authorised Fixed Charge Receiver (Non-appointment taking).

View more on Mark's profile on our website: https://www.mwe.com/people/mark-fennessy/

Professional Memberships

International Corporate Rescue, Founder and Editor

Insolvency Practitioners Association, Member

Insol Europe, Member

Turnaround Management Association, Member

American Bankruptcy Institute, Member

NARA, the UK’s Association of Property and Fixed Charge Receivers, Fellow and former Council Member

UCL Faculty of Laws (London), Centre for Commercial Law, Advisory Committee Member

Chambers Review

Provided by Chambers

Chambers European Guide

Restructuring/Insolvency - UK

Band 6
Band 6

Individual Editorial

Mark Fennessy co-heads the London group at McDermott Will & Schulte and brings a wealth of experience representing both debtor and creditor-side clients. He is particularly adept at acting for administrators across contentious and non-contentious matters.

Strengths

Provided by Chambers

  • He is a pleasure to work with.

    Restructuring/InsolvencyChambers European Guide
  • Mark provides a very good strategic perspective. He has a good sense of the overall picture and gets down and dirty with the details of the matter too.

    Restructuring/InsolvencyChambers European Guide

Ranked Individuals at McDermott Will & Schulte (19)

Belgium

Italy

UK

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