Darya Oglezneva Director - Forensics and Investigations

Darya is a Director in Forensic Investigations and Compliance, with over 15 years of experience supporting organisations on complex, high‑risk matters. She joined Forvis Mazars in 2021, following a decade in a Big Four forensic practice. 

Experience

Darya specialises in fraud, bribery and corruption investigations, regulatory investigations, compliance reviews and the design and implementation of anti‑fraud and anti‑bribery frameworks. She has advised clients across a broad range of sectors, including life sciences, energy, infrastructure, financial services, consumer goods and automotive. 

Darya regularly leads sensitive, cross‑border engagements and supports boards, audit committees and legal counsel with clear, evidence‑based insights to inform decision‑making, remediation and regulatory responses.

Work highlights

Darya has led numerous large‑scale and high‑profile investigations for multinational and listed organisations. Her experience includes directing complex bribery and corruption investigations involving extensive e‑discovery and multi‑jurisdictional interviews, as well as forensic reviews that identified significant control weaknesses and delivered substantial cost savings. 

She has also led investigations into cyber‑enabled fraud, including phishing, vishing and invoice manipulation schemes, and managed major insolvency and asset‑misappropriation investigations involving large data sets and multidisciplinary teams. 

In addition, Darya has delivered more than 20 global FCPA compliance reviews for a US‑listed healthcare group, coordinating teams across five continents and supporting clients in meeting regulatory expectations and strengthening their compliance programmes.