• Responsible for day to day operations of the accounting department including treasury, safety, audit reviews, health insurance, and risk management. Manage a staff of fifty.• Management: Financial management responsibility for 20 operating companies(Chinese, Italy, US, Korea, Hong Kong). Managed the budgeting process and evaluated operating performance.• Accounting work: Responsible for maintaining financial records and supervising and controlling expenditures of the company / Auditing(US GAAP & K-IFRS & HK IFRS & C-GAAP) / Reviewed & prepared financial statements• Reviewed and evaluated the financial reporting practices for a wide range of companies• Evaluated business opportunities and made recommendations concerning IPO, mergers and acquisitions, financing alternatives and accounting treatment of a variety of transactions• Recommended changes in organizational design, methods, and procedures for a variety of companies• Publication: An Integrated Web Service Security Solution Based on Java - https://link.springer.com/chapter/10.1007/978-3-540-45229-4_19