Fiona Shajko



Fiona advises on EU and UK competition and regulatory law, including merger control, anti-competitive conduct (including abuse of dominance and other restrictions on competition) and national security and foreign investment regulation.

Fiona joined Orrick as a trainee in August 2019 and also has experience advising on mergers & acquisitions, private equity and venture capital transactions. She gained contentious experience whilst in the Complex Litigation and Dispute Resolution and Employment groups.
Fiona is an active member of the London office's sustainability committee.

  • Fiona played a supportive role in the following recent transactions:

    • Gaming app developer Zynga’s $250 million all-cash acquisition of Chartboost, a San Francisco-based mobile app monetization and programmatic advertising platform.
    • AI processor company Graphcore’s $222m Series E financing round, valuing the company at $2.77 billion.