Matthew Posid is Chief Security Officer at KPMG LLP, where he leads a converged security program spanning cybersecurity, physical security, safety, insider risk, resilience, and governance, risk, and compliance (GRC). He also oversees sourcing and contracting, managing the firm’s supply chain processes, third-party risk, and client-facing contract compliance. Prior to becoming KPMG’s first Chief Security Officer, Matt served as Chief Information Security Officer at KPMG and previously at the Central Intelligence Agency, leading security initiatives that reduced risk while enabling mission and business outcomes. He regularly supports client engagements across financial services, technology, healthcare, hospitality, and government, and serves as Chair of the Advisory Board for George Mason University’s Center of Excellence in Government Cybersecurity Risk Management and Resilience. Matt holds CISSP and CCISO certifications, MIT Sloan executive certificates in leadership and strategy, an MS in Electrical Engineering, and a BS in Computer Science.