Deborah R. Bierbaum

Deborah R. Bierbaum joined MultiState in December 2021 as Senior Tax Policy Advisor. Deborah brings decades of high-level experience in tax policy from her tenure at AT&T, where she was most recently Assistant Vice President, External Tax Policy. Prior to her work with AT&T, she served as Deputy Commissioner of Tax Policy for the New York State Department of Taxation and Finance.

Some of Deborah’s key accomplishments at AT&T include: helping to shape the Federal Tax Cut and Jobs Act; successfully obtaining key changes to the definition of “internet access” in the Internet Tax Freedom Act; securing state support for the federal Mobile Telecommunications Sourcing Act; and building a strong advocacy team that is seen as a role model by other companies. She served on the Board of the Council On State Taxation and received the 2024 COST Paul Frankel Excellence in State Taxation Award. She has served on the Streamlined Governing Board Business Advisory Council since its inception. She co-chairs the New Jersey Tax Council and received the New Jersey Business and Industry Association’s Leonard C. Johnson award for advising policymakers on tax issues in the FY2019 budget.

When not working, Deborah enjoys entertaining family and friends with great food and wine inspired by her travels.