Vice President and Chief Information Security Officer
Ameren Corp
Mike Green is currently CISO at Ameren leading all aspect of Cyber Security protections, controls and compliance within the Power & Utility and Critical Infrastructure industry.
Mike was previously Deputy Chief Information Security Officer (CISO) for Cigna - Express Scripts. Mike joined Express Scripts in 2016 as part of the leadership team on the Information Risk Management function within ESI.
In addition, Mike has served as Senior Vice President, Information Security at MasterCard. In this role he led the Information Security Engineering & Cyber Security team that provide secure design, security operations, threat management and implementation of infrastructure components supporting global business partners, customers and consumers within the payment channels.
He has also represented MasterCard on the PCI Security Standards Council Executive Committee and Board of Managers.
Mike has over 30 years of business and operational management experience within all information technology disciplines along with extensive experience in information security & risk mitigation operations. Receiving his Master’s degree in Computer Information Systems from Missouri State University, and also sits on MSU’s Advisory Board for CIS and Cyber Security degree programs.