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Chunhapak Taechakumtornkij


Chunhapak's practice includes advising on capital markets, mergers and acquisitions, corporate and general commercial law.
He has experience advising clients in a number of merger and acquisition transactions, as well as corporate financing transactions through equity instruments. He also has experience advising numerous clients on legal issues relating to corporate laws and regulations of the Thai SEC and SET, as well as conducting due diligence exercises for various transactions.


Representative matters

Telenor Asia, part of the Norwegian majority state-owned multinational telecoms company Telenor Group, together with Total Access Communication Public Company Limited (dtac), on the amalgamation of the telecoms operations of dtac and True Corporation Public Company Limited in Thailand. The transaction is the largest telecommunications merger in Southeast Asia to-date, with the new company having a combined enterprise value of USD20.7bn, and serving an estimated 55m mobile customers, 5m broadband connections, as well as 3.2m pay-TV subscribers.

TMB Bank Public Company Limited on its approximate USD5.5bn merger with Thanachart Bank, and TMB Bank’s related equity fundraising process through the issue of transferable subscription rights which raised in excess of approximately USD1.2bn. The deal marked the largest bank merger in Thailand to-date and positioned the merged entity as the sixth largest bank in the country by assets.

Engie Global Developments B.V. (an affiliate of Engie S.A.) on the disposal of its entire 69.1% interest in Glow Energy Public Company Limited to Global Power Synergy Public Company Limited. This USD2.95bn deal represented Thailand’s largest completed M&A deal and Asia’s largest M&A deal in the power sector, both for the year 2018 and 2019. Awarded 'Power M&A Deal of the Year' at The Asset Triple A Infrastructure Awards 2020, and 'Best Cross-Border M&A Deal: Thailand' at The Asset Triple A Country Awards 2020.

Starbucks Corporation on the USD650m sale of its Thailand retail business to, and entry into franchising licensing arrangements with, Coffee Concepts Thailand Co., Ltd. (a JV between Maxim’s Caterers Ltd. and Thai partner F&N Retail Connection Co., Ltd.).  This transaction included assisting the Starbucks team to diligence over 400 past, current and potential future leasing arrangements as well as managing advice and investigations into key business and operational food selling and storage licences, as well as customs and import issues around Starbucks’ foreign sourced products.

Pro bono

Advising International Community of Women Living with HIV Asia Pacific on its establishment of foundation in Thailand.



Jurisdiction Thailand, 2017


LL.B., Thammasat University, 2015

LL.M., The University of Chicago, 2022

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.