Patrick M. Callahan, Founder and CEO


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Mr. Callahan’s expertise with political activities compliance matters includes, but is not limited to, legislative and procurement lobbying disclosures, pay-to-play, campaign contributions and finance, gift tracking and disclosure, foreign agent registrations, and political action committee and fundraising communications compliance. Mr. Callahan has been described as, “the person you want in a high pressure demanding environment. He is absolutely in charge–nothing gets overlooked and he is anticipating the next ten things before anyone else has thought about them. ” -Serena Moe, Former Managing Director, General Counsel, Global Sanctions Compliance, Citigroup.

With more than 25 years of professional hands-on business management and compliance experience, Mr. Callahan offers Centurion Group DC, LLC clients the necessary expertise in dealing with regulatory disclosures matters. He also brings to the business an expertise in risk management, operations and project management, continuity planning, information security, financial planning and analysis, governance, event planning, auditing, and policy management. Mr. Callahan is a member of the Society of Corporate Compliance and Ethics.

A native of Florida, where he studied Business Management at Jacksonville University, Callahan currently resides in the Logan Circle neighborhood of Washington, DC where his love of animals includes his feisty Brussel Griffin and a Black Labrador.  He served on the Luther Place Memorial Church Church Council.

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