People

Dina Mahdi

Partner, Head of Regulatory & Government Advisory
Regulatory & Government Advisory
  • Dina heads the firm’s Regulatory & Government Advisory Practice Group. Dina specializes in legislative drafting and advising on public law and public international law matters.  

    She regularly advises government clients on strategic regulatory initiatives and is widely regarded for her capabilities in legislative drafting, trade law and expertise in international treaties, conventions and other multilateral and bilateral instruments. She is praised for her ability to manage challenging legal issues. Clients value her commitment to continuous communication and her understanding of the importance of first rate client service.  

    Dina holds a joint JD/LLB from Osgoode Hall Law School, Toronto, Canada. She is qualified as a Barrister and Solicitor in Canada and a member of the Ontario Bar. Dina is fluent in English and speaks Arabic.

    Admissions

    • Barrister and Solicitor, Canada
    • Member of the Ontario Bar
    • Co-Chair of the Hadef & Partners Brand & Marketing Committee
    Languages
    English
    Arabic
    • Advising a government department on matters related to the negotiation of multilateral free trade agreements.
    • Advised a government authority on the application of certain provisions of various GCC multilateral instruments.
    • Advising a government department on trade law matters.
    • Drafting of various legal instruments relating to the implementation of corporate taxation.
    • Advised a government entity in respect of an investor-state dispute.
    • Drafted amendments to tax procedures legislation and corresponding implementing decisions.
    • Advised on the drafting of international taxation legislation.

Dina Mahdi

Partner, Head of Regulatory & Government Advisory
Regulatory & Government Advisory
Languages
English
Arabic
Testimonials

What people say about Dina Mahdi

  • She is comfortable in pushing back and arguing a position, because there is always logic behind her pushback, which leads to a better discussion and helps us to always do the right checks.

    Chambers Global 2026
    Regulatory: Government & Public Affairs
  • She is very smart and dedicated. She never takes a decision without fully understanding the issue and its consequences, which provides comfort to her clients and third parties working with her.

    Chambers Global 2026
    Regulatory: Government & Public Affairs
  • Dina Mahdi consistently demonstrates a strong work ethic and a collaborative approach. She communicates effectively with team members and is reliable when handling tasks.

    Chambers Global 2026
    Regulatory: Government & Public Affairs
  • She is driven, detail-oriented, happy to be collaborative, open and willing to do what is best.

    Chambers Global 2026
    Regulatory: Government & Public Affairs
  • Dina Mahdi is someone who leads from the front. Her level of commitment is second to none, and she manages to navigate things incredibly well, setting a really high example.

    Chambers Global 2026
    Regulatory: Government & Public Affairs
  • Dina Mahdi heads the regulatory and government advisory team within Hadef & Partners, and is based in Abu Dhabi. Her broad practice spans assisting with the drafting of tax legislation and advising on anti-corruption and bribery regulations.

    Chambers Global 2026
    Regulatory: Government & Public Affairs
  • Dina is very careful and quite client focused. She asks probing questions and is a safe pair of hands.

    Chambers Global 2025
    Regulatory: Government & Public Affairs
  • We were particularly impressed by Dina Mahdi. She is tenacious, details-oriented and very hard- working. Clients are lucky to have her on their side.

    Legal 500 2024
  • Dina is really good in terms of follow-up and turnaround time, and she is meticulous in policy Interpretation.

    Chambers Global 2024
    Regulatory: Government & Public Affairs