Sirin specializes in commercial and civil litigation. She has been a long-standing advisor to foreign companies in Switzerland.

Sirin is also Deputy Judge at the Geneva Court of Justice.

Practice Areas / Expertise

  • Commercial and civil litigation
  • International arbitration
  • Contracts
  • Family and inheritance
  • Real estate
  • Employment law and relocation
  • White-collar crime

Bar admission

  • 2008

Professional Experience

  • October 2015-present: Metzger & Zimmermann, Geneva, Partner
  • 2009-2015: Mentha, Geneva, Associate
  • 2006-2008: Barillon Böhler, Geneva, Lawyer trainee
  • 2005: Court of Justice and Employment/Labour Jurisdiction of Geneva, Lawyer trainee


  • Bar Admission, Geneva (2008)
  • LL.M. Commercial and Corporate Law, University College London (2006)
  • Law Degree (lic. iur.), University of Geneva (2004)


  • French, English, Turkish


  • Geneva Bar Association
  • Swiss Bar Association
  • Swiss Arbitration Association

Other positions held

  • Deputy Judge at the Geneva Court of Justice (appeal court)
  • Responsible of GarantiBank International N.V. Representative Office in Switzerland
Metzger & Zimmermann