Ranked in 1 Practice Areas
2

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About

Provided by Miguel Tsuyoshi Ishii Yokoyama

Latin America

Practice Areas

Attorney with 35 years of experience advising national and international clients in corporate law, real estate law, and transactions.

Clients highlight the quality of his legal advice, service-oriented approach, and ability to offer creative solutions in complex negotiations. He is widely recognized for his experience and innovative approach in all aspects of mergers and acquisitions, including the design of corporate legal structures, co-investments, strategic alliances, and trusts.

Career

Graduate of Escuela Libre de Derecho

Postgraduate studies in Corporate and Tax Law at Universidad Panamericana

Master’s and Ph.D. candidate in International Economic and Business Law at Kyushu University, Japan (scholarship awarded by Japan's Ministry of Culture and Education)

Professional Memberships

Mr. Ishii is the Managing Partner of Senko Legal, S.C. He is Member of the Mexican Bar Association and the International Chamber of Commerce.

Personal

• Lecturer in Commercial Law at CIDE (2009–2012)

• Instructor in M&A Special Topics at Universidad Iberoamericana (2025)

Languages Spoken

English and Japanese.

Experience

• M&A Partner at Ontier Mexico (2022–2025) and Managing Partner (2023–2025)

• M&A Partner at Jáuregui y Del Valle (2013–2021)

• Senior Associate at Jones Day Mexico (2010–2012)

Chambers Review

Provided by Chambers

Chambers Latin America

Corporate/M&A: Highly Regarded - Mexico

2
Band 2
Individual Editorial

Miguel Tsuyoshi Ishii Yokoyama of SENKO LEGAL provides solid experience assisting clients with M&A deals and corporate restructuring matters in Mexico.

Strengths

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Articles, highlights and press releases

2 items provided by SENKO LEGAL, S.C.

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Corporate/M&A: Highly Regarded

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Miguel Tsuyoshi Ishii Yokoyama
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