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Tiziana Sucharitkul

Managing Partner

Biography

Tiziana Sucharitkul is managing partner of Tilleke & Gibbins and oversees all aspects of the firm’s work, including directing the growth of the firm’s business to align with ever-evolving market and client needs, monitoring firm performance, and ensuring delivery of extraordinary client service. In addition to her steady leadership of the firm, a key focus of her role is Tilleke & Gibbins’ international strategy and building deep relationships with global law firms and clients to nurture Tilleke & Gibbins’ status as a trusted partner for businesses operating in Southeast Asia, and to expand the firm’s ability to serve clients around the world.

Tiziana is a recognized leader in the global legal community. She has served in a number of leadership roles with Lex Mundi, a leading global network of independent law firms of which Tilleke & Gibbins is a member. In this capacity, she currently sits on the board of the Pro Bono Foundation and the Former Chairs’ Committee and is actively involved with the Women’s Initiative Network to Success. Previously she has served on the Executive Committee and as a member of the Board of Directors in a number of roles, including as chair. In 2021 she also began a two-year term on the International Bar Association’s Law Firm Management Committee, and in 2024 she was appointed as one of its senior officers and currently serves as a vice chair of the committee. In addition, Tiziana is one of Asia’s most respected voices on leadership in the legal profession. Her insights are sought regularly on topics such as law firm management, diversity and inclusion in the legal profession, and international cooperation in the legal industry to best serve client needs and develop talent.

Tiziana specialized in project finance work with a leading New York law firm before joining Tilleke & Gibbins, where she focused on dispute resolution and spent many years as director of the firm’s dispute resolution and litigation group. In this role, she frequently represented international clients in a wide range of industries, including technology, financial services, consumer goods, luxury goods, and transportation. She has also earned repeated accolades as one of Thailand’s top dispute resolution lawyers from many leading publications, such as Asia Business Law Journal’s 2024 A-List of Thailand’s Top Lawyers, Benchmark Litigation’s 2024 Top 100 Women in Litigation in Asia Pacific list, and 2023 Managing Partner of the Year (Emerging Markets) from Asian Legal Business.

Besides her legal work, Tiziana is a strong supporter of the community in Bangkok and beyond. She currently serves on the Foundation Board of Bangkok Patana School, having previously also sat as the chair of the Human Resources Committee, chair of the Steering Committee, and secretary of the Foundation Board. Other board appointments include Pacific Healthcare (Thailand), the Thai-Italian Chamber of Commerce, and the Thailand Chapter of the Chartered Institute of Arbitrators.

Through her commitment to serving clients by building Tilleke & Gibbins’ capabilities, Tiziana’s leadership is integral to the firm’s ability to provide full-service and commercial legal guidance for international, regional, and local businesses active in Southeast Asia.

Tiziana is admitted to the State Bar of California, the US Court of Appeals for the Ninth Circuit, and the Northern District of California Court.

Experience

  • Acted on behalf of several multinational corporations in high-profile criminal customs disputes involving the assessment and calculation of customs duties and penalties.
  • Represented one of the world’s most recognizable fashion and luxury goods retailers in several commercial real estate disputes in Thailand arising from the disputed termination of a 30-year franchisee relationship. This representation included negotiation and settlement of leasehold and commercial franchisee contracts with both the outgoing franchisee and the incoming franchisee partner, one of Southeast Asia’s largest and most successful commercial retailers.
  • Prosecuted several claims worth USD 72 million on behalf of two major Southeast Asian banks against various Thai borrowers and guarantors.
  • Represented a subcontractor in a USD 33 million construction dispute against the prime contractor of a controversial wastewater management project.
  • Recovered USD 38 million for a foreign multinational, as well as a 25-year office lease in a prime Bangkok office building and a full release of the debtor’s USD 46 million countersuit against our client.
  • Represented a manufacturer of consumer products in high-profile administrative court proceedings, challenging the legality and constitutionality of the Thai Ministry of Public Health’s labeling and packaging requirements.
ABOUT Tiziana

Industries

Consumer Products

Practices

Dispute Resolution and Litigation

Location

Languages

    English

    Thai

    Italian

Education

    JD, University of California, Hastings College of the Law

    MA, University of Virginia

    BA, Mount Holyoke College

Insights

August 21, 2025
Tilleke & Gibbins is pleased to announce that the firm has adopted Harvey, a leading enterprise-grade AI platform for the global legal industry. The firm is proceeding with a rollout of Harvey’s legal AI solutions, which are supported by robust security and confidentiality protections, across the firm’s full-service regional practice in Southeast Asia. This initiative builds on the firm’s recent deployment of Microsoft Copilot and represents another advancement in Tilleke & Gibbins’ commitment to leveraging technology for enhanced legal service delivery. Under the program, legal professionals across the firm’s offices in Cambodia, Indonesia, Laos, Myanmar, Thailand, and Vietnam will have access to the full Harvey platform, equipping them to deliver practical, impactful, and results-driven legal services for clients throughout the region. The firm will also develop bespoke agentic workflows within Harvey tailored to the firm’s core practices and the unique requirements of Southeast Asian legal markets. Commenting on the initiative, Managing Partner Tiziana Sucharitkul stated, “At Tilleke & Gibbins, we have consistently invested in developing and adopting technology to improve the speed, precision, and overall excellence of our legal services. The firm’s decision to invest in Harvey exemplifies our commitment to innovation, further differentiating Tilleke & Gibbins within Southeast Asia’s legal landscape.” Managing Partner Darani Vachanavuttivong remarked, “By combining the deep regional expertise of our lawyers with Harvey’s market-leading domain-specific AI, we are empowering our regional team to streamline drafting, research, and review processes for complex legal matters, all while maintaining the high standards of quality and security our clients expect from us.” Harvey’s Chief Business Officer John Haddock added, “It’s clear Tilleke & Gibbins is investing heavily in innovation, and it’s clear their global clients will benefit significantly from their focus and investment. The Harvey team is thrilled to support the firm’s journey with our platform.”
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May 2, 2025
Attorneys from Tilleke & Gibbins have updated the latest edition of Doing Business in Thailand, a Q&A-style guide from Thomson Reuters Practical Law that offers an overview of key legal considerations for companies operating in jurisdictions worldwide. The contribution outlines the country’s legal and regulatory framework for foreign investment and business operations and reflects the latest legislative developments. The chapter addresses the following core topics: Legal system: Structure of the courts and the codified nature of Thai law. Foreign investment: Business restrictions under the Foreign Business Act, sector-specific regulations, exchange control rules, and investment incentives. Business vehicles: Overview of partnerships, private and public limited companies, and other legal entities. Employment: Labor protections, employment contracts, foreign worker requirements, and termination procedures. Tax: Corporate and personal income tax, indirect taxes, and tax obligations for residents and non-residents. Intellectual property: Registration and enforcement of patents, trademarks, designs, and copyrights. Data protection: Key provisions of the Personal Data Protection Act and related compliance obligations. Competition law: Regulatory framework under the Trade Competition Act. Anti-bribery and corruption: Relevant legislation and enforcement mechanisms. E-commerce and digital business: Legal regime for online transactions and digital platforms. Marketing and advertising: Consumer protection laws and regulations affecting advertising and marketing practices. Product regulation and liability: Safety standards, liability regimes, and roles of enforcement authorities. Practical Law, a legal reference resource from Thomson Reuters, publishes a range of guides for hundreds of jurisdictions and practice areas. The insurance and reinsurance guide is a valuable resource for legal practitioners, covering numerous jurisdictions worldwide. To view the latest version of the guide, please visit the Practical Law website and enroll in the free Practical Law trial to gain full access.
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December 4, 2024
Thailand Legal Basics, a valuable primer for foreign investors, explores all aspects of living and doing business in Thailand. Written by specialists at Tilleke & Gibbins in Bangkok, it is the only comprehensive English-language guide to the Thai legal system with a focus on the concerns of foreign business and investment.
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December 15, 2023
As part of its membership in Lex Mundi, Tilleke & Gibbins has published an updated edition of its Guide to Doing Business in Thailand for 2023. This guide outlines the key factors for starting and operating a business in the Thai market. Issues covered include: Investment incentives Financial facilities Exchange controls Import and export regulations Structures for doing business Requirements for the Establishment of a Business Operation of the Business Cessation or Termination of the Business Labor legislation, relations, and supply Tax Immigration requirements This publication is part of Lex Mundi’s Country Guides series prepared by member firms in more than 100 jurisdictions worldwide. The guides serve as a useful resource for planning international business strategy and researching new markets. The full Guide to Doing Business in Thailand is available through the button below.
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Awards & Rankings

July 8, 2026
Benchmark Litigation has once again included Tiziana Sucharitkul, managing partner at Tilleke & Gibbins, in its Top 100 Women in Litigation list for 2026. This marks her sixth time earning a place in the publication’s annual ranking of leading female litigators. This annual list honors leading female litigators across the region who have distinguished themselves through notable casework, strong client and peer feedback, and outstanding professional reputations. The continued recognition reflects Tiziana’s sustained prominence in complex disputes work, as well as her longstanding contributions to the legal profession in Thailand and beyond. Her strategic approach and depth of experience have made her a trusted advisor in high-stakes litigation matters. Benchmark Litigation’s rigorous selection process considers not only legal expertise and peer endorsements but also the significance and impact of each lawyer’s recent litigation work within their jurisdiction. Readers can access Benchmark Litigation’s full Top 100 Women in Litigation list through their website.
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May 11, 2026
Tilleke & Gibbins has continued to show excellent performance in the recently released Benchmark Litigation 2026 rankings for dispute resolution firms in the Asia-Pacific region. The rankings include two jurisdictions where Tilleke & Gibbins is active: Thailand and Vietnam. Firm Rankings A full summary of the firm’s rankings is provided below: Thailand Commercial & Transactions – Tier 1 Government & Regulatory – Tier 1 Labor & Employment – Tier 1 Intellectual Property – Tier 1 Trade & Customs – Tier 2 Vietnam Commercial & Transactions (Foreign Firms) – Tier 1 Intellectual Property (Foreign Firms) – Tier 1 Labor & Employment (International Firms) – Highly Recommended (top tier awarded in this category) White Collar Crime – Recommended (top tier awarded in this category) Energy & Construction (Foreign Firms) – Tier 2 International Arbitration – Tier 2 Individual Rankings The 2026 edition also recognizes 12 Tilleke & Gibbins lawyers in Thailand—more than any other firm in the jurisdiction—and four in Vietnam. Thailand Alongkorn Tongmee – Trade & Customs Chitchai Punsan – Commercial & Transactions Chusert Supasitthumrong – Labor & Employment John Frangos – Commercial & Transactions Noppramart Thammateeradaycho – Shipping Nuttaphol Arammuang – Intellectual Property Piyawat Vitooraporn – Commercial & Transactions Pongpalin Chantrapirom – Commercial & Transactions Suebsiri Taweepon – Intellectual Property Suruswadee Jaimsuwan – Commercial & Transactions Thawat Damsa-ard – Commercial & Transactions Tiziana Sucharitkul – Commercial & Transactions, Government & Regulatory Vietnam Duc Anh Tran – Commercial & Transactions Linh Duy Mai – Intellectual Property Loc Xuan Le – Intellectual Property Tu Anh Tran – Commercial & Transactions Benchmark Litigation’s annual research is based on interviews with dispute resolution specialists and clients, as well as analysis of recent casework and market developments. To view the full results, please visit the Benchmark Litigation websites for Thailand and Vietnam.
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