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Catherine H. Santos

Catherine H. Santos

Assurance Partner, PwC Philippines

Cathy is an Assurance Partner and the firm's Assurance Transformation Leader who has over 12 years of sound and extensive experience in auditing, design of internal control system and internal control attestation audits in accordance with the Sarbanes- Oxley Act (US SOX).  She has expanded her expertise in a wide variety of industries including oil and gas, pharmaceutical products, business process outsourcing services and consumer & industrial products.  Cathy is experienced in audits of subsidiaries of large multinational corporations from North America, South Africa and Europe.

She has attended various PwC-sponsored training programs conducted in Turkey, Thailand, Malaysia and China. She has likewise participated in the PwC Global quality review conducted in the Canada firm.  She lectures on auditing, accounting, SOX and related business subject matters on seminars and in-house trainings organized by the firm as well as external organizations.  She is one of the firm’s key resource people in audit methodology and has been deeply involved in training program design and facilitation.

Cathy graduated Cum Laude from the University of the Philippines - Diliman with degrees in Bachelor of Science in Business Administration and Accountancy. 

She is a Certified Public Accountant.


  • Oil and gas
  • Pharmaceutical
  • Consumer and industrial products and services
  • Business process outsourcing
  • Not-for-profit organizations


  • Audits of financial statements
  • Review of internal control system
  • Sarbanes Oxley-related engagements
  • Audit methodology


  • University of the Philippines- Diliman (Bachelor of Science in Business Administration and Accountancy
  • Ateneo de Manila University (Building Value Program)
  • Asian Institute of Management (Management Development Program)