Erin  Gladney Profile Image

Erin Gladney is a Tax Controversy partner in Mayer Brown's New York office. Since joining the firm in 2007, Erin has represented clients in significant federal tax controversies, including during IRS audits, in IRS administrative appeals and in litigation in federal courts. Her controversy experience includes economic substance, substance-over-form, transfer pricing issues, and penalties. Erin has also actively participated in the firm’s pro bono efforts and has representing individuals in Federal District Courts in both Illinois and New York. Most recently, Erin litigated a case in U.S. Tax Court for Exelon Corporation, one of the largest energy companies in the United States.  Erin has broad range of experience in tax and litigation issues, extensive experience working with expert witnesses, and has developed a deep understanding of the power utility industry.

Mayer Brown LLP
1221 Avenue of the Americas
New York, NY 10020

Fellow Year


Areas of Practice




Leadership Positions

Erin is co-chair of Mayer Brown's Black Lawyers Resource Group (MBBL), the firm's first affinity group. MBBL's mission is to promote the recruitment and retention of attorneys of African, African American, Afro-Caribbean, and Afro-Latino descent. The group is tasked with assisting the Firm's efforts to ensure Black attorneys receive professional development support, increase participation in the firm's diversity initiatives, and to help the firm better leverage the diversity of its attorneys. Erin is also a member of Mayer Brown's Committee on Diversity and Inclusion

Law School

Northwestern University School of Law

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