Diana Li 李薇
Partner
Diana Li is a Partner at RSM New Zealand and a recognised specialist in forensic accounting and business valuation services.
With more than 18 years of experience, Diana advises a diverse range of clients, including high-net-worth individuals, trusts, SMEs and larger commercial entities. She is known for delivering practical, commercially focused solutions and helping clients navigate complex financial, valuation and dispute-related matters with confidence.
Diana's ability to combine technical expertise with a pragmatic approach has enabled her to build strong, long-term relationships with clients and their advisors.
Experience
Diana has extensive experience providing business advisory, tax advisory, forensic accounting and business valuation services across a wide range of industries and client types.
She regularly works alongside legal counsel, business owners, shareholders and other professional advisors on matters involving business valuations, financial investigations, dispute resolution and litigation support.
Her expertise includes transaction analysis, loss assessment, forensic investigations and the reconstruction of financial records where the accuracy or integrity of reported transactions is questioned. Diana has also provided expert evidence in both the High Court and Family Court in matters relating to shareholder disputes, business partner disputes and relationship property matters.
Key Capabilities
- Forensic Accounting – Investigating financial matters and analysing complex transactions.
- Business Valuation Services – Providing independent business valuations for commercial, legal and strategic purposes.
- Litigation Support – Assisting legal counsel and clients through financial analysis and expert reporting.
- Loss Assessment and Quantification – Assessing financial losses arising from disputes and commercial matters.
- Expert Witness Services – Providing expert evidence for court proceedings and dispute resolution.
- Business and Tax Advisory – Supporting businesses and individuals with strategic financial and tax advice.
- Financial Investigations – Conducting investigations into disputed or irregular financial activity.
- Reconstruction of Financial Records – Rebuilding and analysing financial information where records are incomplete or challenged.
Significant Projects
- Provided expert evidence in High Court and Family Court proceedings.
- Assisted with shareholder and business partner disputes involving complex financial analysis.
- Undertaken forensic investigations and loss assessments in both formal and informal dispute settings.
- Reconstructed financial records where the integrity of reported transactions was questioned.
- Supported employent-related disputes through forensic accounting and transaction analysis. m
Leadership and Community
Diana is passionate about helping clients navigate complex financial issues and achieve practical outcomes. Her analytical mindset, attention to detail and commercial perspective enable her to identify solutions that are both technically sound and commercially realistic.
Clients value her ability to explain complex financial matters clearly and her commitment to delivering high-quality advice throughout every stage of an engagement.
Born in Beijing and fluent in both English and Mandarin, Diana works with a diverse range of clients and stakeholders across different industries and backgrounds.
Outside of work, Diana is an avid ocean enthusiast who enjoys scuba diving and travelling throughout the Pacific Islands. She particularly enjoys opportunities to swim with turtles and humpback whales and shares her home with a dog, two cats and a fish.
Credentials
- Member, Chartered Accountants Australia and New Zealand
- CA Forensic Accounting Specialist (CA FAS)
- CA Business Valuation Specialist (CA BVS)
- Bachelor of Commerce (Accounting and Finance), University of Canterbury
- Master of Commerce (Honours), Lincoln University
- Certificate of Public Practice (CPP)

