Zachary Proulx is a civil litigator who represents clients in complex commercial disputes, professional liability matters, and insolvency-related litigation.

Zach handles financial institution litigation, insolvency litigation, and other high-stakes commercial disputes in state and federal courts. He advises clients across a broad range of industries and has secured victories for them at all stages of litigation. He brings a forward-thinking and detail-oriented approach to his engagements, develops astute litigation strategies, and advocates tirelessly for his clients’ interests.

In the complex commercial space, Zach frequently counsels leading companies, financial institutions, and individuals in connection with:

  • Breach of contract disputes
  • Lender liability and credit disputes
  • Fraudulent transfer claims
  • Fiduciary duty and corporate governance claims
  • Other complex business torts

In the insolvency litigation space, Zach has extensive experience representing stakeholders in contested matters and adversary proceedings in major chapter 11 bankruptcies, and in restructuring-related proceedings outside of bankruptcy court. His clients in these matters include debtors, creditors, ad hoc lender groups, and estate fiduciaries.

Zach also regularly represents national law firms and attorneys facing malpractice, breach of duty, and other professional liability claims, from pre-suit investigation through litigation in arbitration and court proceedings.

Zach maintains an active pro bono practice, focusing on immigration matters. He received the firm’s Pro Bono Star award for his successful representation of a Yemeni asylum seeker and prosecution of a related federal mandamus lawsuit.

Zach is a member of Latham’s Ethics Committee, where he counsels the firm and its attorneys on matters of ethics, professional responsibility, and privilege. He previously served on the firm’s Training & Career Enhancement (TACE) Committee.

Prior to joining Latham, Zach clerked for Judge Christopher C. Conner (ret.) of the US District Court for the Middle District of Pennsylvania. Zach graduated cum laude from the University of Michigan Law School, where he served as an executive editor of the Michigan Law Review and received the Craig Spangenberg Oral Advocacy Award.

Zach’s representative matters include advising:

Complex Commercial Litigation

  • The British Bankers’ Association in connection with US-based benchmark interest rate litigation
  • Former directors and officers of a major retailer in response to RICO and corporate governance claims
  • An international logistics and technology company and its CEO in an action alleging trade secret theft and breach of fiduciary duty
  • An Am Law 100 firm in arbitration and litigation in response to malpractice, breach of fiduciary duty, and aiding and abetting claims brought by liquidators of a Cayman-based hedge fund
  • An agent for a consortium of secured lenders in breach of contract and probate-related litigation

Bankruptcy Litigation & Creditors Rights

  • Libbey Glass, a leader in glass production, in its chapter 11 cases
  • The Joint Liquidators of Three Arrows Capital Ltd., a major cryptocurrency hedge fund, in the chapter 11 bankruptcy of FTX Trading Ltd.
  • National CineMedia, a leading cinema advertising company, in the chapter 11 bankruptcy of Cineworld Group plc and adversary proceedings against Cineworld subsidiary Regal Cinemas
  • GSO Capital Partners, a second lien lender and plan sponsor, in the chapter 11 bankruptcy of Legacy Resources
  • The Official Committee of Unsecured Creditors in the chapter 11 bankruptcy of Synergy Pharmaceuticals
  • An ad hoc group of secured lenders in the chapter 11 bankruptcy of FirstEnergy

Bar Qualification

  • New York

Education

  • JD, University of Michigan Law School, 2012
    cum laude
  • AB, Vassar College, 2007
    Phi Beta Kappa, General Honors