Charles is licensed as a US Certified Public Accountant (USCPA), a Taiwan Certified Public Accountant (R.O.C CPA), and his designation as a Certified Internal Auditor (CIA) and a Certified Management Accountant (CMA).He has navigated diverse sectors, such as Pharmaceuticals and Medical Equipment (PMDA), Consumer Electronics (CE), Chemical Manufacturing (C&I), New Energy (NE), Electronic R&D, and Entertainment Media. His experience is not limited to the implementation of FIN and TAX compliance audits, including PCAOB audits, but also extends to the advising of US Generally Accepted Accounting Principles (GAAP) and International Financial Reporting Standards (IFRS).Charles has offered consultancy services within the luxury goods industry, primarily focusing on enhancing internal auditing practices and optimizing operational processes. Moreover, he remains dedicated to propelling the evolution of auditing methodologies into the digital age, actively executing and advocating for next-generation digital auditing techniques. He contributes to comprehensive digital projects and platforms, encompassing Alteryx, Power BI, UiPath, and PwC's proprietary platform, "CFO Insight 財稅智慧雲".Charles's career also encompasses his involvement in an initial public offering (IPO) experience, specifically with Acepodia-KY(6976-TW).