Julia Gontarska

• Participated in the work for Allianz S.E. in connection with the EUR 2.5 billion acquisition of Aviva’s Polish life and non-life insurance, pensions and asset management businesses, and 51% stakes in life and non-life bancassurance joint ventures with Santander.

• Acted in USD 475 million arbitration proceedings representing an investor in a dispute against a European Union state concerning his inability to effectively use radio frequencies in the 850 MHz band to develop an LTE mobile phone network (ICC Rules of Arbitration).°

°The above representations were handled by Ms. Julia Gontarska prior to her joining GREENBERG TRAURIG Nowakowska-Zimoch Wysokiński sp.k.

• Represented a client operating in the luxury hospitality industry against multiple European state-owned entities in complex multi-contract LCIA arbitration arising from high-profile landmark hotels.
• Acted in arbitration proceedings in relation to a construction dispute between two Dutch companies concerning the refurbishment of a floating production storage and offloading unit (LCIA Rules of Arbitration).°

°The above representations were handled by Ms. Gontarska prior to her joining GREENBERG TRAURIG Nowakowska-Zimoch Wysokiński sp.k.

• EMEA Legal 500: Recommended in Dispute Resolution (2025)

• Member, Warsaw Bar Association
• Member, the Law Society, England and Wales (non-practicing)