Chicago is a center for finance, insurance, health care and global corporate operations. These sectors depend on strong cybersecurity leadership to keep systems secure and resilient. As digital threats grow in speed and scale, the Chief Information Security Officer plays a key role in business continuity and risk management.
This list highlights ten active CISOs shaping Chicago’s cybersecurity landscape in 2025.
Daniel Manley – Managing Director and CISO, CME Group
Daniel Manley leads cybersecurity for one of the world’s most important financial exchanges. He directs cyber strategy, technology risk, and enterprise resilience. His work supports global markets that operate ata massive scale and require uninterrupted availability.
Angela C. Williams – Senior Vice President and Global CISO, UL Solutions
Angela Williams manages global security, risk, and compliance for a major safety-science and certification organization. She guides cybersecurity operations across a broad and highly regulated international footprint.
Mahmood Khan – SVP and Global CISO, CNA Insurance
Mahmood Khan oversees enterprise-wide cyber and physical security for a major commercial insurer. His background spans banking, aviation, and risk management. His leadership helps CNA protect sensitive financial and policyholder data.
Darin Hurd – EVP and CISO, Guaranteed Rate
Darin Hurd leads security for a nationwide mortgage lender. He focuses on cloud security, identity management, and zero trust architecture. His work supports secure lending operations across customer-facing digital systems.
Neil Witek – CISO and HIPAA Security Officer, Oak Street Health (CVS Healthspire)
Neil Witek directs security for a large network of primary-care clinics. He manages HIPAA compliance, incident response, and risk reduction. His role protects patient information across hundreds of care locations.
Ricardo LaFosse – CISO, The Kraft Heinz Company
Ricardo LaFosse oversees global cybersecurity for one of the world’s largest food and beverage companies. He leads efforts in operational technology security, incident response and enterprise risk management.
Walter Lefmann – Director of Security, Chicago Trading Company
Walter Lefmann manages cybersecurity for a proprietary trading firm in Chicago. He protects high-speed trading systems that require strict controls and low latency. His leadership has been recognized within the city’s cybersecurity community.
Paige Adams – Global CISO, Zurich Insurance Group
Paige Adams directs global cybersecurity strategy for an international insurer with major operations in Chicago. She oversees enterprise risk, incident response and compliance in a complex regulatory environment.
Jason Witty – SVP and CISO, U.S. Bank
Jason Witty leads security for one of the largest banks in the United States. His responsibilities include fraud prevention, data protection, and major-incident preparedness. He remains an active contributor to Chicago’s cybersecurity ecosystem.
Arlan McMillan – CISO, City of Chicago Department of Innovation and Technology
Arlan McMillan oversees cybersecurity for the City of Chicago’s municipal systems. His work protects essential public service,s including transportation, utilities, and public safety infrastructure.
Chicago’s CISOs play a central role in protecting the region’s economic engines across finance, health care, insurance, and government. Their leadership helps ensure that systems remain secure, stabl,e and ready to support the city’s continued growth.