Stacey Hamaker is Managing Principal of Shamrock Technologies. She founded the company in 1990 to provide high-level analytical and technical assistance to organizations on a project basis. A thought leader and published author on governance topics, Ms. Hamaker has 25 years' experience with enterprise-wide technology initiatives at Fortune 500 companies and midsized firms as well as the public sector. Most recently, she has been heavily involved in Sarbanes-Oxley IT compliance initiatives. Ms. Hamaker has a background in the areas of information strategy, internal controls, systems analysis, accounting systems, requirements definition, project management, and database administration. She is active in the Information Systems Audit and Control Association (ISACA), Institute of Internal Auditors (IIA), and the Greater Dallas Chamber. Several of her articles have been published in the Information Systems Control Journal. Ms. Hamaker's speaking engagements span local IT organizations as well as national and international venues such as ISACA's International IT Governance Forum.