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Derek Woo

Senior Managing Director


  • BS University of California, Berkeley


  • 2 Years with Firm
  • 26 Years of Relevant Experience

For over 25 years, Derek Woo has developed, directed and led Revenue Cycle, Compliance, Audit and Information Technology organizations and advisory service practices. As an executive leader and practitioner, he has overseen and served as trusted advisor for healthcare revenue cycle engagements, business process optimization (BPO), Health Information Technology (HIT) solution development, and regulatory compliance, including program development and innovation around the Initial Validation Audit (IVA) component of the Affordable Care Act (ACA-RADV) and the evolving risk adjustment market supporting Medicare, Managed Medicaid and Commercial payers. Woo offers deep industry experience combined with forward thinking operational and technical expertise. His hands-on, client partnership, approach to all engagements offer tailored professional consulting experiences that drive enhanced revenue realization, cost efficiency, and operational and regulatory compliance benefits.

In addition to an extensive professional consulting background, Woo has served as Chief Information Officer, Chief Technology Officer and Revenue Cycle Executive to several healthcare, technology and government entities throughout his career. He has a proven track record of partnering with business leadership teams to design, develop and deploy value-based, high ROI business strategies that leverage technology, best-practice operational frameworks, and pragmatic approaches to his clients' most pressing business issues, including navigating the constantly evolving regulatory and compliance landscape. He also had the privilege of serving as an information security advisor to U.S. Senator Edward Kennedy's office on a proposed rulemaking panel for the Health Insurance Portability and Accountability Act (HIPAA).

Over the years, Woo and his teams have enjoyed working with some of the nation's most prominent health systems, insurance plans and government agencies on their most urgent priorities. Organizations such as Kaiser Permanente (all regions), Blue Cross Blue Shield (all regions), United Healthcare, UCSF, UCLA, Mayo Clinic, Hennepin County Medical Center, Grady Health System, Henry Ford Health System, University of Texas Health Science Center, EmblemHealth, and CMS (Centers for Medicare & Medicaid Services) are just a few of the many great clients that Woo and his teams have worked with.

Selected Engagements & Experience

  • Served over 15 years as Executive Manager responsible for developing and leading Healthcare Advisory Services teams and corporate divisions across the following major areas
  • End-to-End Revenue Cycle Optimization
  • Holistic view of Revenue Cycle Operations - Front (Patient Access); Middle (Charge Capture/Coding); Back (Billing/Collections)
  • Root-cause analysis
  • Operational, Financial and Technology review, analysis and remediation strategies and planning
  • Outsource / Co-source
  • Revenue Cycle Leadership
  • Coding and Billing Operations
  • Regulatory Compliance
  • HIPAA; IT Security (SOC / HITECH / NIST / PCI DSS); Fraud, Waste & Abuse; Healthcare Reimbursement Programs; Healthcare Operations Audits
  • Independent Review Organization (IRO)

B. Riley Advisory Services works with lenders, law firms, private equity sponsors and companies of all types. Our Advisory Services are a unique mix of Valuation and Appraisal Services including asset-based lending (ABL) Valuations; Restructuring and Turnaround Management; Forensic Accounting and Litigation Support; Operations Management; Compliance, Risk & Resilience Services; and Transaction Support Services including Due Diligence and Quality of Earnings Reviews. B. Riley Advisory Services is the trade name for GlassRatner Advisory & Capital Group, LLC, Great American Group Advisory & Valuation Services, LLC, Great American Group Machinery & Equipment, LLC, and Great American Group Intellectual Property, LLC.