Legal Resource Center > Expert Witnesses > RSM US LLP

Expert Witnesses


Dispute Advisory, Forensic Accounting, and Financial Investigations
P: (213) 330-4605
P: (415) 848-5313
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RSM US LLP is the fifth largest public accounting firm in the U.S. and the leading provider of audit, tax and consulting services focused on the middle market, with more than 8,000 people in 80 offices nationwide. RSM offers a full array of financial services including assurance and attest services, tax services, risk management consulting, technology and management consulting, corporate finance and business valuation, due diligence, forensic accounting, litigation support, expert witness testimony and other professional services.

Key Contacts

For more information, please contact

Southern California:       Patrick Chylinski, (213) 330-4605,

Northern California:        John Tira at (415) 848-5313,

Litigation and Dispute Advisory Services

Our litigation and dispute advisory professionals provide analytical and investigative services to major law firms, corporate counsel, insurance companies, governmental agencies, companies and individuals involved in complex financial disputes. Our services include providing financial and economic analyses to assist clients in resolving high-stakes issues ranging from internal matters to litigated disputes.

Our practitioners provide dispute advisory and litigation services, as well as analytical and investigative services to major law firms, insurance companies, corporate counsel and management of companies involved in complex financial disputes. We have assisted counsel for plaintiffs and defendants in state and federal courts, as well as in alternative dispute resolution settings. To ensure we meet the challenging needs of your case, we staff every engagement with skilled, senior-laden project teams.

Financial Investigative and Forensic Accounting Services

RSM’s forensic accounting team have extensive experience in assisting clients and counsel in investigating, identifying and quantifying damages. When pursuing allegations or claims of financial infidelity, evaluating the nature of the wrongdoing and the related economic consequences is vital. Our forensic accounting professionals bring the full range of talents and experience necessary to help move cases from theory to results.

Our team includes Certified Public Accountants, Certified Fraud Examiners, Master Analysts in Financial Forensics and professionals Certified in Financial Forensics who have deep experience assisting clients in a variety of industries with a broad range of forensic accounting related matters. From identifying and documenting questionable accounting practices to providing expert witness testimony relating to damages or losses, we can help clients and their counsel assess and evaluate complicated financial and accounting matters.

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