François Langlois

EY Global Forensic & Integrity Services and Assurance Advisory Leader

Strategic digital leader guiding clients through high‑stakes fraud, investigations and cyber risk, runner, golfer and proud father.

François is a partner at Ernst & Young AG based in Geneva, Switzerland.

As the EY Global Forensics Clients & Industries Leader, he supports clients through high-stakes issues such as fraud, investigations, disputes, cybercrime and compliance breaches — helping them protect their reputation and operate with confidence.

In his second role as EY Global Assurance Advisory Clients & Industries Leader, he drives the integration of four EY service lines into a unified platform focused on solving emerging business challenges.

In addition to his global roles, François is also a Global Client Service Partner at Ernst & Young AG working closely with clients across sectors.

He joined the global EY organization 18 years ago from the technology industry, where he worked as a data scientist in cybersecurity and led large enterprise software engagements.

How François is shaping the future with confidence

François helps organizations navigate complexity, strengthen trust and create long-term value.

With his foundation in data science and technology, he is passionate about leveraging emerging technologies to drive innovation and sustainability.

He is also leading a global initiative to develop carbon markets and help businesses achieve their ESG goals. He is committed to building strong relationships with board members, C-level executives and other key stakeholders.

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