Oksana Westerbeke is a Principal in Grant Thornton's Transaction Services practice. She is also a leader of the firm's National Complex Financial Instruments Group. Mrs. Westerbeke assists clients in identifying, quantifying, and managing risk. She specializes in the valuation of debt and embedded derivatives, contingent assets and liabilities, privately held equity securities, performance and market condition options, warrants with anti-dilution provisions and other contingencies, and other complex financial instruments. In addition, Mrs. Westerbeke assists clients in the valuation of business enterprise and intangible assets. Mrs. Westerbeke is a Chartered Financial Analyst and is a member of both Member of AICPA Financial Instruments Task Force and International Valuation Council Financial Instruments Work Group.