Marianne Mendes Webber
Image of Marianne Mendes Webber

Marianne Mendes Webber

Senior Associate

Marianne advises lenders and borrowers on complex cross-border debt finance transactions.

Her practice spans the full spectrum of general corporate lending, trade and commodity finance, fund finance and acquisition finance, with particular depth in syndicated credit facilities, secured borrowing base facilities and other structured lending products. Transactions on which she has advised have been recognised at the IFLR Europe Awards, reflecting her track record on landmark cross-border mandates.

Marianne is particularly experienced in multi-jurisdictional and emerging markets financings. Her client base includes international banks, multinational corporates, commodity traders, oil and gas producers and global investment managers. Alongside her core banking practice, Marianne has broader experience in international commercial and corporate transactions across a variety of sectors.

Having been seconded to a major bank client across a wide range of debt finance products, Marianne brings a commercial, solutions-driven approach to her work. She also contributes to AI initiatives across the firm's debt finance practice, and is actively engaged in pro bono and community work, mentoring through upReach's Social Mobility Network and volunteering with Solidarity Sports.

Within A&O Shearman, she is an active contributor to the firm's Latin America practice, co-heads the internal Lusophone Network and serves on the Financial Services Committee of the Brazilian Chamber of Commerce for Great Britain.

Expertise

Experience

Representative matters

  • A multinational steel manufacturing corporation in connection with an inaugural JPY70.5bn ninja loan made available by an Asian syndicate of lenders, with leading Japanese banks as coordinators 
  • A major US bank in connection with a USD100m funded participation to a USD1.2bn prepayment facility relating to an oil and gas asset in Brazil 
  • The arrangers in connection with the refinancing of a EUR500m term loan facility agreement made available to a multinational data centre borrower 
  • The arrangers in connection with the refinancing of a EUR120m term loan agreement available to a large Latin American label manufacturer
  • A Premier League football club in connection with various receivables purchase agreements with a number of international financial institutions

Pro bono

  • Advising a not for profit Community Development Finance Institution (CDFI) and registered charity in the UK that provides small, affordable loans to low income households, in connection with its secured facility agreements, 2026
  • Mentor, Social Mobility Network (UpReach, London), 2021-2026
  • Mentor (RefuAid)
  • Advising INGOs Fair Trials and REDRESS in respect to applicable Brazilian law on a report on the use of evidence obtained by torture across a number of key jurisdictions (A&O Shearman, London) ), 2018

Published Work

  • Co-Author (2020) “Expert briefing: Insolvency reforms and distressed debt in commodity trade finance”, TXF News, London
  • Co-Author (2018) “Tainted by Torture – Examining the Use of Torture Evidence”, Fair Trials and REDRESS, London
  • Author (2016) “Corporate Governance and Corporate Social Responsibility of Multinational Enterprises and Transnational Law – The FIFA Case”, TLI Think! Paper 67/2017, London
  • Co-Author (2010) “International Legal Developments in Review: 2009 - Latin America and Caribbean.” The International Lawyer, v. 44, p. 681-699, American Bar Association

Leadership Positions And Professional Affiliations

The Law Society of England and Wales

Brazilian Bar Association (Sao Paulo) (foreign consultant)

Brazilian Chamber of Commerce in Great Britain: member of Financial Services Committee

Qualifications

Admissions

Solicitor, England and Wales, 2020

Admitted: Portuguese Bar Association (Portugal), 2006 (inactive)

Admitted: Brazilian Bar Association (Brazil), 2004

Academic

LL.M. in International Business Law, King’s College London (England), 2016

MSc in International Law (Distinction Hons), University of Sao Paulo (Brazil), 2012

Specialisation Degree in International Trade Law and Arbitration, University of Lisbon (Portugal), 2006

Specialisation Degree in Corporate Law, Centro Universitario Curitiba (Brazil), 2006

BA, Centro Universitario Curitiba (Brazil), 2004

Languages

English, Portuguese
Disclaimer
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.