Ivy Han
Professional Background
Ivy Han graduated from ESSEC Business School. She began her career at PwC Beijing in 2002, before continuing at PwC France in Paris, where she was promoted to Partner, specializing in IT audit.
She joined Forvis Mazars in October 2025.
IT Audit & Analytics Expertise
At Forvis Mazars, Ivy is a recognized expert in Information Systems Audit, with a strong focus on industrial and services sectors, including:
- Pharmaceutical
- Technology
Services
She has also developed a specific PCAOB expertise, enabling her to support clients subject to US regulatory requirements.
Her areas of expertise include:
- IT audit and internal control over information systems
- Data analytics applied to audit
- Regulatory compliance (including PCAOB standards)
- Risk assessment of IT environments
- Integration of technology into audit methodologies
Leadership & Responsibilities
Ivy leads the ISAA (Information Systems Audit and Analytics) practice in France, comprising 200+ professionals.
In this role, she:
- Drives the development of IT audit and analytics services
- Supports large industrial and service clients in strengthening their IT control frameworks
- Contributes to the digital transformation of audit practices
Areas of Expertise
- Information Systems Audit (IT Audit)
- Audit Analytics & Data-driven Audit
- PCAOB & International Regulatory Compliance
- IT Risk & Internal Control
- Industrial, Pharma & Services Sectors
- Leadership of Large Audit & Analytics Teams (ISAA)