Olesya Prantyuk

Olesya Prantyuk is a Chartered Certified Accountant with more than 10 years of experience in finance and accounting. She has been appointed as an expert and assisted the named expert on more than 25 occasions in matters of forensic accounting and commercial damages.

Olesya has worked on high court litigations, as well as investor-state and commercial arbitrations on behalf of claimants and defendants. Her high-profile cases include a freezing order application with values in excess of $2 billion and a valuation of a financial institution of $1.3 billion. She has recently co-signed her first expert report valuing financial instruments for an LCIA arbitration.

Prior to specialising in disputes, Olesya worked in audit on engagements involving financial institutions, power and utilities, transportation, and retail companies. As a native Ukrainian and Russian speaker, Olesya has been involved in matters regarding assets in Central Europe, Eastern Europe, and Asia.

Olesya has advised clients in fraud investigation matters and damages calculations (valuations, loss of profits and wasted costs calculations).  Her experience in forensic accounting covers a wide array of matters, ranging between $10 million and $2 billion in size, within the oil and gas, financial services, logistics, retail, aerospace, mining, precious metals, and energy sectors.

Olesya has completed an advanced professional award in expert witness evidence and is a fellow member of the Association of Chartered Certified Accountants. She is also a member of the Young International Arbitration Group (YIAG), the Young International Council for Commercial Arbitration (ICCA), the Rising Arbitrators Initiative (RAI), and Arbitral Women (AW).