Ruzin is a dual-qualified associate (Turkey and England & Wales) and having previously practised in Paris and Istanbul, she has particular expertise in international arbitration, commercial litigation and both private and public international law.

In her international arbitration practice, Ruzin represents individuals, companies, States and State-owned entities in international disputes conducted under LCIA, ICC, DIAC, SCC, UNCITRAL and ICSID rules across a variety of sectors, including construction, energy, infrastructure, technology, pharmaceuticals and textiles. Ruzin also advises States on public international law matters such as the application of treaties, dispute resolution issues relating to international trade and investment, human rights and sovereign immunity.

In her commercial litigation practice, Ruzin advises both individuals and companies before the English High Court in complex shareholder disputes, disputes involving family businesses, debt collection and insolvency issues and litigation ancillary to arbitration proceedings including international enforcement of awards. Ruzin has appeared before the Turkish courts as an advocate in a range of commercial disputes and enforcement actions.