Nadia Kostyna

WORK HISTORY

EDUCATION

SKILLS

ABOUT NADIA KOSTYNA

Currently responsible for the monthly close process of the USA region (500+ Costco locations), ensuring that all financial transactions are recorded accurately and timely- Prepare, review and analyze account reconciliations, ensuring compliance with GAAP and Sarbanes - Oxley control requirements- Perform robust analysis (historical, trend, variance, etc.)- Proactively identify issues and implement process improvements to streamline accounting and system-related processes- Provide documentation for quarterly reviews and annual audits- Provide support to the Assistant Controller- Prepare routine and ad hoc schedules, statements, reports, and analytics as necessary- Provide functional advice and training to peers.As external auditor- Executed and led audit engagements of Aerospace and Defense, Consumer Business, and Bioscience clients- Designed and executed detailed analytical procedures and ratio analyses to assess financial statement account fluctuations and risks- Performed substantive detail procedures in auditing key balance sheet and P&L accounts- Performed testing of design and implementation of controls (SOX)- Performed research over technical accounting topics including: Business Combinations (ASC 805), Revenue recognition (ASC 606), Stock-based Compensation (ASC 718) to determine the proper accounting treatment- Utilized interpersonal skills to build relationships with team members and client personnel in high-pressured environments- Assisted with recruiting, training interns and new hires.