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Ron Green is a Mastercard Fellow responsible for advocating for strong cybersecurity law and policy with global government and regulatory agencies, deepening public-private partnerships to drive our shared security, and strengthening the cohesion between cyber practices within Mastercard.

Previously, Ron served as Mastercard’s chief security officer for 10 years from 2014-2024. In this role, he led a global team that ensured the safety and security of the company's network, as well as internal and external products and services. He was responsible for corporate security, security architecture and engineering, cryptographic key management, business continuity, disaster recovery and emergency management.

Ron joined Mastercard in 2014 after serving as deputy chief information security officer at Fidelity Information Services (FIS). Prior to this position, he was director, Investigation and Protections Operations at Blackberry. Ron also served as a senior vice president across several areas at Bank of America.

He has extensive experience working with international and federal law enforcement agencies both as a special agent in the U.S. Secret Service and as an officer in the U.S. Army. With the Secret Service, Ron worked protection and fraud investigations. He was one of the first agents to receive formal training on seizing and analyzing electronic evidence and worked on a number of international cyber-crime investigations.

Ron currently serves as the chair of the Cybersecurity and Infrastructure Security Agency’s Cybersecurity Advisory Committee and chair of the U.S. Secret Service’s Cyber Investigation Advisory Board. He also served as chair of the Financial Services Sector Coordinating Council (FSSCC) from 2020-2023.

He holds a bachelor’s degree in mechanical engineering from the United States Military Academy at West Point, is a graduate of the FBI’s Domestic Security Executive Academy and holds a graduate certification in Information Assurance from George Washington University.