Munck Wilson Mandala

Gabriela Isuani Monahan

(737) 201-1604

International Aficionado

Born in Argentina, Gaby is bilingual in Spanish with 20 years of international law and business experience.

Global Strategist

Gaby merges corporate initiatives with legal strategy along with decades of international government experience.

Renaissance Woman

Gaby has an impressive legal career, practicing for more than 20 years in Chicago, for one of the largest law firms in the U.S. before transitioning to a global accounting firm.

Gabriela (Gaby) Isuani Monahan is a partner in the litigation group. She represents clients in high-stakes litigation, corporate law, and international arbitration. Gaby graduated as the salutatorian from Loyola University Chicago School of Law and clerked for the Honorable James Zagel at the U.S. District Court, N.D. of Illinois, for two years. She was a partner at Kirkland and Ellis’s Chicago office, focusing on complex commercial litigation, class actions, and international arbitrations before the American Arbitration Association and International Chamber of Commerce. She then joined Grant Thornton in Chicago as their managing director and special counsel on risk and public policy.

During her tenure at Kirkland, she worked in-house with the Latin American legal director at the Colgate-Palmolive Company in New York, developing and presenting global strategies to the U.S. general counsel and Latin American legal directors.  She also worked in-house at Accenture as part of a team of lawyers, handling litigation matters globally. Gaby was the lead liaison for Latin American matters and the government operating group.

Gaby was born in Argentina and is a native Spanish speaker.

Representative Matters

  • Represented clients in a spectrum of international & domestic business litigation involving fraud, breach of contract & fiduciary duties, Foreign Corrupt Practices Act, mismanagement, negligence, product liability, antitrust & class actions in state & federal courts & before arbitral tribunals in the American Arbitration Association & International Chamber of Commerce International Court of Arbitration;
  • Counseled clients regarding a wide range of issues impacting U.S. and international operations, including litigation, political compliance, marketing, master service agreements, and state and local government contracts;
  • Represented plaintiff in Texas Advanced Optoelectronic Solutions, Inc. v. Intersil Corporation, a case involving misappropriation of trade secrets and breach of NDA, resulting in jury verdict of over $85 million.


  • (FINANCIAL INSTITUTION) Represented financial institution client in ICC arbitration against joint venture partners and investors in Brussels, Belgium, England, and Argentina in dispute involving mismanagement, breach of contract, and breach of fiduciary duties;
  • (FRANCHISOR) Represented franchisor against claims for breach of contract, promissory estoppel, negligent misrepresentation, slander, and defamation brought by parties rejected as franchisees by joint venture companies and separate corporate entities in Argentina, Spain, Italy, and France.

Latin America:

  • (AUTOMOTIVE COMPANY) Defended and obtained award of no liability for automotive client in ICC arbitration involving Venezuelan joint venture company;
  • (CHEMICAL MANUFACTURER) Represented client in U.S. court in matter brought to enforce Nicaraguan judgment for $500 million resulting in dismissal of the case. Advised client with respect to hundreds of similar Nicaraguan lawsuits, enforcement actions in other Latin American countries, and negotiations with government officials;
  • (DISTRIBUTOR) Led task force to analyze distribution, supply arrangements, and contracts throughout Latin America and develop global strategies, policies, and procedures for dealing with distribution and supply chain issues;
  • (INVESTORS: AUTOMOTIVE INDUSTRY) Represented Argentine investor clients in contract dispute against joint venture partner in auto-supply industry. Claims litigated before AAA international panel;
  • (MANUFACTURER & DISTRIBUTOR) Represented client in the U.S. and worked with Mexican counsel to successfully defeat multiple suits brought by joint venture partner in Mexican state and federal courts to nullify client’s arbitral award as void against Mexican public policy. Client collected millions of U.S. dollars in damages and post-judgment interest;
  • (PRODUCT MANUFACTURER) Counseled U.S. client with respect to subsidiary operations and disputes in Argentina, Chile, Columbia, Cuba, Ecuador, Mexico, Paraguay, and Venezuela. Issues spanned areas such as labor disputes, indemnity payments to discharged employees, lawsuits for fraud and breach of contract, termination of international distributors, modification of distribution contracts, property ownership, stock transfers, dealings with U.S. Dept. of State, creation of new subsidiaries, and strategies relating to import relationships between distributors.

United States:

  • (COMMERCIAL & GOVERNMENT CONTRACTING) Advised & developed guides, processes & procedures on various legal & business matters arising out of advisory & software implementation services, state & local government contracts, operations & strategy organizations.  Supported client-facing professionals on RFPs, NDAs, contract negotiations, dispute resolution & compliance with terms, laws & regulations affecting consulting services and licensing contracts;
  • (INSURANCE) Provided counsel and management services on a variety of insurance disputes, litigation & legal matters.
  • (LITIGATION) Represented franchisor to enforce rights against former franchisee for infringement and misappropriation. Represented manufacturers in lawsuits for tortious interference, fraud, product liability, and breach of contract pending in federal and state courts, as well as the AAA;
  • (MARKETING) Advised on marketing brand development & advertising initiatives spanning various issues, including copyright, trademark & other IP rights;
  • (POLITICAL COMPLIANCE) Supported and advised Public Policy & Government Affairs group on legislative & public policy initiatives, as well as the firm’s political action committee.  Advised professionals working on state & local government contracts on legal issues involving compliance with contracts, laws & regulations.  Developed & delivered guides, processes & training on political compliance laws & regulations;
  • (PROCUREMENT) Drafted & negotiated vendor agreements, including limited use licenses. Developed templates, guidelines & training to support contracting processes;
  • (STRATEGIC RISK MANAGEMENT) Worked closely with senior leadership on strategic risk management initiatives affecting operations.  Served on U.S. & international interdisciplinary task forces on master services agreements, cross border agreements, contract lifecycle management tools & legislative initiatives affecting accounting firms. Assessed & advised on liabilities and risks of proposed new client service offerings & other commercial transactions, including software implementation, the formation of affiliate entities, restructuring commercial transactions & sales strategy development, and devise practical solutions to meet the commercial goals. Developed & delivered live & on-line training modules for marketing, advisory contracts & political compliance. Developed policies & programs that included internal websites, help desks, self-help guides, templates & procedures to address business needs, reduce risk & accomplish annual objectives. Developed cost-savings, risk mitigation & budgeting processes.  Coordinated legal matters handled by outside counsel.


Loyola University Chicago Law School, 1992
Juris Doctorate
Magna Cum Laude
Editor, Loyola University Chicago Law Journal
Baylor University, 1988
B.A. Business Administration
Magna Cum Laude

Associations & Memberships

The U.S.-Mexico Bar Association, Board Member (2022-Current)

Women’s DNA Initiative (WDNA Chicago), Founder

Lake Travis High School, Career & Technology Education Advisory Board, Member (2020-Current)


Bar Admissions

Illinois, 1993

U.S. District Court, Northern District of Texas

Focus Areas


Commercial Litigation

Corporate Governance

Employment Litigation

Mergers & Acquisitions

Trade Secret Litigation

US Expansion