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Thompson Hine LLP, a full-service business law firm with approximately 400 lawyers in 8 offices, was ranked number 1 in the category “Most innovative North American law firms: New working models” by The Financial Times and was 1 of 7 firms shortlisted for The American Lawyer’s inaugural Legal Services Innovation Award. The firm has been recognized by the National Law Journal as a Legal Technology Trailblazer and featured by Bloomberg for its innovative service delivery models, which drive accuracy and predictability. The firm’s commitment to innovation is embodied in Thompson Hine SmartPaTHTM – a smarter way to work – predictable, efficient and aligned with client goals. For more information, please visit ThompsonHine.com and ThompsonHine.com/SmartPaTH.

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Eric is counsel in the firm’s Employee Benefits &amp; Executive Compensation group. He brings nearly two decades of substantive federal tax and regulatory experience to advising corporate clients on complex retirement plan and corporate tax matters. Prior to joining the firm, Eric held leadership roles at the Internal Revenue Service, including nine years as an executive within the IRS Large Business &amp; International and Employee Plans Divisions. He also worked as detailed tax counsel with the Senate Finance Committee, reviewing, revising and developing benefits and tax legislative issues.

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As director of the IRS Employee Plans Division, Eric led a nationwide team of over 700 professionals responsible for ensuring tax compliance across more than 1 million retirement plans – including 401(k), 403(b), and defined benefit pension plans – holding over $11 trillion in assets. In this role, he oversaw key regulatory and enforcement programs such as the IRS audit program, determination letter program, and voluntary compliance program, helping plan sponsors maintain compliance while protecting the tax-favored status of plan assets.

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Eric has deep experience guiding IRS examinations, correcting plan errors, and managing risk in qualified retirement plan operations and design. He also played a central role in developing federal benefits policy through joint initiatives with the U.S. Treasury, Department of Labor, PBGC, and Social Security Administration, giving him a uniquely strategic perspective on the intersection of tax law, regulation, and business needs.

With an LL.M. in Taxation, Eric is a trusted advisor to public and private companies, financial institutions, and plan sponsors seeking practical, business-oriented solutions in the areas of retirement plan compliance, executive compensation, and benefits-related tax matters.*

<em>*Admitted only in California; practice supervised by D.C. bar members</em>.

Georgetown University Law Center, LL.M., 2007

The George Washington University Law School, J.D., 2006

Washburn University, B.A., 2003

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Employee Benefits & Executive Compensation

Counsel

Eric D. Slack

<ul>
<li>IRS Commissioner’s award, 2024 and 2020</li>
<li>Senior Executive Service (SES) Certified, 2019</li>
</ul>


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Eric D.Slack

Eric D.Slack

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