Areas of Expertise

  • Damages & Lost Profit Analysis 
  • Expert Witness 
  • Forensic Accounting 
  • Fraud Investigation
  • Fraud Risk Assessment 
  • Healthcare Fraud 
  • Internal Investigations 
  • Litigation Support 
  • Ponzi Schemes
  • White Collar Crime 


  • Construction 
  • Financial Institution 
  • Healthcare 
  • Real Estate
  • Restaurant

Prominent Cases

  • Engaged as the forensic accountant by a municipality to perform a forensic investigation relating to a large redevelopment project.
  • Engaged by a large tribal casino to perform a fraud investigation and fraud risk assessment.  
  • Led an investigation and served as the forensic accounting expert on a criminal matter involving an $80.3 million recycling fraud scheme.


  • Bachelor of Arts and Sciences Boston College


  • 3 Years with Firm
  • 23 Years of Relevant Experience


Becky Yang O'Malley is a Certified Fraud Examiner, with 20 years of consulting experience in providing forensic accounting, finance and economic analyses for civil and criminal litigation matters and fraud investigations, including breach of contract, class actions, partnership disputes, fraudulent conveyances, alter-ego issues, and misappropriation of assets. Having been involved in numerous engagements, she is knowledgeable in a wide range of industries including construction, real estate, manufacturing, healthcare, financial institutions, and entertainment.

Becky has extensive experience conducting reactive investigations, proactive compliance engagements, and shadow investigations for public and private companies and not-for-profit entities, involving issues such as allegations of financial fraud, corruption, misappropriation, and employee misconduct. Her experience in this area includes leveraging sophisticated data analytics techniques, such as acquiring, extracting, converting, standardizing, and applying statistical analysis in order to analyze large volumes of accounting data.

Becky is also well-versed in the calculation of economic damages, the preparation of findings reports, and the evaluation of damages claims submitted by opposing counsel. She works directly with counsel to prepare cross examination questions and to develop trial exhibits. Additionally, she assists counsel with discovery, including developing and responding to requests for production and interrogatories, and reviews documents produced by litigators to identify those relevant to a damages opinion.

Prior to joining B. Riley Advisory Services (formerly GlassRatner), Becky has held leadership positions with several national public accounting firms. Becky has also developed and presented various learning events on forensic accounting and fraud issues. She is currently the President and on the Board of Directors of the Los Angeles Chapter of the Association of Certified Fraud Examiners. In 2022, Becky was recognized by the Los Angeles Business Journal as a Women of Influence in Accounting.

Becky graduated from Boston College with a Bachelor of Arts and Sciences degree in English, and a minor in Computer Science.

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.