Warren has over 17 years of public accounting experience, beginning his career at another Big 4 firm from 2003 to 2011, where he led audit teams and executed complex audit procedures. He also conducted technical research on accounting standards and provided training to junior staff.
From 2011 to 2015, he worked at a banking company in Australia, handling audits for private companies, government entities, and not-for-profits, ensuring compliance with various regulatory standards.
In 2016, Warren joined R.G. Manabat & Co. as an Audit Director, leading audits across industries like manufacturing, financial services, BPO, and hospitality. He facilitates PFRS seminars and internal training, recognized for his leadership, technical skills, and team-building abilities.
Warren has also attended professional training programs, including International Financial Reporting Standards (IFRS), Annual Executive Event Trainings on Accounting and Auditing, Annual Accounting and Industry Updates, US GAAP, and soft-skills development such as instructor workshops, managing interpersonal relationships, and business writing.