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Justin D'Agostino

Justin D'Agostino, MH

Chief Executive Officer and Partner

Justin D’Agostino is the firm's CEO.



Justin is the firm's CEO, overseeing people, practices, clients and growth strategies.

During his 21-year career with Herbert Smith Freehills, Justin has overseen the growth of successful businesses including the firm's market-leading Disputes practice and rapid expansion in Asia.

A thought leader and skilled practitioner in arbitration and dispute resolution, Justin has appeared before tribunals around the world and regularly sits as arbitrator.

He works closely with the firm's largest clients, both in his personal practice role and as a regional and global business leader.

The founder of the firm's first LGBT+ network in 2007, Justin is a strong advocate and active supporter of diversity and inclusion in the firm and the wider community.

He currently chairs the firm's Global Executive and is Executive Sponsor of IRIS, the firm's global LGBT+ network.

Justin's recent legal experience includes:

  • representing the Government of Korea on the first investment treaty arbitration under the US-Korea Free Trade Agreement (Jin Hae Seo v. Republic of Korea)
  • advising the Government of Malaysia on a US$1.2 billion arbitration against the Republic of Singapore concerning the interpretation of a bilateral treaty
  • advising Grand Pacific Holdings Limited on its high-profile and successful appeal against a decision by the Hong Kong Court of First Instance to set aside an ICC arbitral award in its favour

His professional, business and community experience include:



Justin joined Herbert Smith Freehills in 1998 and became a partner in 2007.

He led the firm's Global Disputes practice and its Asia region from 2014 to 2020 and its US region from 2019 to 2020.

A native of Edinburgh, Scotland, Justin graduated with a bachelor's degree in law from the University of Aberdeen in 1996.

He is admitted as a solicitor in Hong Kong and as a solicitor advocate in England.

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