Bosco Yuen
Managing Director


Bosco has practiced public accounting since 2008. He provides in-depth expertise in attestation examinations, SOC audits, compliance and internal audits, SOX internal control assessments, and financial statement audits for clients in a number of industries, including technology, financial services, health care, and government agencies. Bosco serves as a trusted business advisor to publicly traded entities, private businesses, and third-party administrators ranging in size from pre-IPO to multinational corporations.

Bosco specializes in SOC examinations, SOC readiness assessments, and SOX internal controls. He is also experienced in conducting external and internal audits, compliance audits, operational audits, enterprise resource planning (ERP) pre- and post-system implementation reviews, control rationalizations, system data conversions, cyber incident analysis, and cybersecurity assessments. Prior to joining Moss Adams, he served as a senior manager for a Big Four firm.

Selected Speaking Engagements

  • Information Security Essentials
    (Information Systems Audit and Control Association (ISACA): Los Angeles, November 2019)
  • IT Risk Assessment
    (ISACA: Seattle, October 2018)

Professional Affiliations

  • Member, American Institute of Certified Public Accountants
  • Member, California Society of Certified Public Accountants


  • BS, accounting (accounting information systems), University of Southern California (cum laude)
  • BS, business administration, University of Southern California (cum laude)

Insights from Bosco Yuen