Press Room

Ryan Adds David Sullivan to the Leadership Team of Ryan Advocacy

Press Release Feb 29, 2016

Dallas, Texas – Ryan, a leading global tax services firm, has hired David Sullivan as Director, Dispute Resolution, in the Firm’s recently formed Ryan Advocacy group. Ryan Advocacy is a practice dedicated to resolving tax disputes expeditiously by assisting clients with controversy resolution and legislative services, as well as protecting the rights of taxpayers through honest and fair public policy. Mr. Sullivan will be based in Ryan’s Providence, Rhode Island office.

Prior to joining Ryan, Mr. Sullivan was Tax Administrator for the State of Rhode Island’s Division of Taxation, responsible for the administration and enforcement of all taxes. Prior to that, he was the Deputy Director of Revenue for the State of Delaware. Mr. Sullivan was instrumental in guiding Rhode Island through two major tax reforms—personal income tax reform of 2008 and the corporate income tax reform of 2013. He is a former President of the Federation of Tax Administrators and holds a Bachelor’s degree in Accounting from Lebanon Valley College and a Master’s degree in Taxation from Widener University.

“David Sullivan is an accomplished tax policy professional with an impressive track record of leadership at the state level,” said G. Brint Ryan, Chairman and CEO of Ryan. “His experience driving significant tax reform and navigating complicated legislative systems will deliver substantial value and results for our clients.”

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