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Scott Matsumoto is the Chief Information Security Officer for Circle. Mr. Matsumoto brings decades of security and software engineering experience. Prior to joining Circle, Mr. Matsumoto was a Principal Consultant at Cigital Inc, the largest software security consultancy in the United States, where he led the Mobile Security and Security Architecture practices. In addition to leading two practices at Cigital, he was a founding member of the Cloud Security Alliance. His software engineering experience encompasses development of component-based middleware, performance management systems, graphical UIs, language compilers, database management systems and operating system kernels.