Don’t use AI to modernize audit in pieces — reimagine it as an intelligent whole. Incremental AI looks safe — transformational AI is how audit stays relevant.

Dr. Marc Ryser

EY Global Assurance Artificial Intelligence Transformation Leader

Assurance AI transformation leader. Financial services, AI, risk focus. Advancing modeling and governance. Driving AI in audit tech. Leading AI methods and client services across Assurance.

Marc is the EY Global Assurance Artificial Intelligence Transformation Leader. In this role, Marc leads the AI transformation of EY audit technology, AI-related methods and client services across the global Assurance network.

With more than 25 years of experience in financial services, compliance, risk management and data — Marc brings deep knowledge in AI, quantitative modeling, and AI and risk governance frameworks.

Prior to his current role, Marc was COO in a financial services firm, owning large-scale compliance, governance and risk transformation programs, and guiding the organization toward automation, digitization and the responsible use of AI. Marc has also built global AI capabilities for control functions and held senior leadership positions in risk management consulting.

He holds a PhD in Financial Economics, and advanced degrees in Mathematics and Applied Statistics.

How Marc is shaping the future with confidence

Marc is leading EY Global Assurance’s AI transformation. He provides strategic direction to build out the AI-enabled audit platform, shifting the roadmap from isolated, point-use AI cases to the transformational application of AI through agentic workflows and a multi-agent framework for audit.

As a leader, Marc is helping redefine how audit evolves in an increasingly complex world. For him, it’s not just about deploying advanced AI but about building confidence in the audit of the future, strengthening trust, and helping enable teams and clients to move forward with resilience and purpose.

Marc's latest thinking

Contact Marc