LAWYER PROFILE
Iwona Her

Iwona Her

Europe 2026

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Ranked in 1 practice area

About

Provided by Rymarz Zdort Maruta

Career

Iwona Her is an attorney-at-law admitted to practice in Poland, a partner in the corporate department of Rymarz Zdort and the head of the antitrust and competition law practice.

She graduated from the Faculty of Law and Administration of the University of Warsaw in 2001, also completing, with distinction, a course in English and European law organised by the British Centre for English and European Legal Studies at the University of Warsaw in co-operation with the University of Cambridge, and qualified as an attorney-at-law in 2008. She joined Rymarz Zdort, formerly known as Weil, Gotshal & Manges – Paweł Rymarz sp.k., in 1999.

In 2012, based on a recommendation from the Polish Office of Competition and Consumer Protection, Iwona became a non-governmental advisor to the International Competition Network, an association of competition agencies from all over the world devoted exclusively to competition law enforcement.

A specialist in antitrust, M&A and corporate law, Iwona has significant experience in Polish and European Union competition law matters, including in respect of merger control proceedings, cartels or abuses of dominance, and consumer protection. She has also advised on distribution agreements, co-operation agreements, joint ventures and state aid.

Chambers Review

Provided by Chambers

Chambers European Guide

Competition/Antitrust - Poland

Band 3
Band 3

Individual Editorial

Iwona Her is particularly active in merger clearance mandates. She also assists clients with antitrust proceedings before the Polish competition authority, including investigations into allegations of price fixing and subsequent appeals against authority decisions. She acts on state aid mandates and competition law compliance queries.

Strengths

Provided by Chambers

  • Iwona Her provided great guidance in the process, kept everything under control and managed interactions with the competition authority very well.

    Competition/AntitrustChambers European Guide
  • She offers pro-business advice, a pragmatic approach, very good responsiveness and innovative ideas.

    Competition/AntitrustChambers European Guide
  • Her legal precision and situational awareness added significant value to the transaction.

    Competition/AntitrustChambers European Guide
  • She is very competent and quick in organising required support.

    Competition/AntitrustChambers European Guide
  • Iwona Her has a unique ability to talk about complex things in a business language so I don't need to translate for our business people.

    Competition/AntitrustChambers European Guide

Ranked Individuals at Rymarz Zdort Maruta (25)

Poland

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