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Former New York State Tax Official Joins Ryan as Principal in Advocacy Services Practice

Press Release Jan 06, 2022

Argi O’Leary to Lead Northeast Regional Advocacy Team

Former New York State Tax Official Joins Ryan as Principal in Advocacy Services Practice

NEW YORK (Jan. 6, 2022) – Ryan, a leading global tax services and software provider, announced that Argi O’Leary has recently joined the Firm as Principal in the Advocacy Services practice and will be based in the company’s New York City office.

Ryan’s Advocacy Services team is a key differentiator in the tax services industry, offering clients strategic advantages to resolving tax issues that deliver increased profitability and cash flow. In addition to helping clients with dispute resolution, Ryan professionals regularly collaborate with revenue officials and policymakers to help streamline operational inefficiencies, clarify complications in the tax code, and suggest areas for administrative improvements.

“Our growing Advocacy Services team is one of the many reasons why Ryan’s success rate for clients is well over 90 percent. We win for our clients because we have the most talented professionals and specialists across a range of industries, and Argi certainly is a key addition to the team,” said Ryan President of U.S. Operations Damon Chronis. “Her strong background in resolving tax disputes and her experience in litigation will play a vital role in helping clients achieve their goals.”

Prior to joining Ryan, O’Leary served as Deputy Commissioner for the New York State Department of Taxation and Finance, overseeing the operations of the Civil Enforcement Division and Office of Professional Responsibility. As a member of the Department’s executive leadership team, she led the Department’s civil enforcement activities and collection of delinquent tax liabilities. She also was responsible for the Department’s regulation of more than 39,000 tax return preparers and facilitators, including efforts to identify and address tax preparer fraud and abusive tax preparation schemes. O’Leary regularly collaborated with state, local, and federal agencies to enhance opportunities for tax enforcement and revenue collection in support of state and local programs and services.

Previously, O’Leary served as Assistant Deputy Commissioner for Litigation Strategy for the New York State Department of Taxation and Finance, where she was responsible for directing the Department’s involvement in high-stakes legal matters, including tax controversies and internal investigations.

O’Leary holds a Juris Doctor degree from Fordham University School of Law. She also earned Master of Science and Bachelor of Arts degrees from Boston College.

About Ryan

Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes. With global headquarters in Dallas, Texas, the Firm provides an integrated suite of federal, state, local, and international tax services on a multijurisdictional basis, including tax recovery, consulting, advocacy, compliance, and technology services. Ryan is an 11-time recipient of the International Service Excellence Award from the Customer Service Institute of America (CSIA) for its commitment to world-class client service. Empowered by the dynamic myRyan work environment, which is widely recognized as the most innovative in the tax services industry, Ryan’s multidisciplinary team of more than 4,800 professionals and associates serves over 30,000 clients in more than 80 countries, including many of the world’s most prominent Global 5000 companies. More information about Ryan can be found at


Melodie Elliott
Director, Content and Communications Marketing