Industries

Helping clients meet their business challenges begins with an in-depth understanding of the industries in which they work. That’s why KPMG LLP established its industry-driven structure. In fact, KPMG LLP was the first of the Big Four firms to organize itself along the same industry lines as clients.

How We Work

We bring together passionate problem-solvers, innovative technologies, and full-service capabilities to create opportunity with every insight.

Learn more

Careers & Culture

What is culture? Culture is how we do things around here. It is the combination of a predominant mindset, actions (both big and small) that we all commit to every day, and the underlying processes, programs and systems supporting how work gets done.

Learn more

Mary I. Slonina

Managing Director, Tax Controversy & Dispute Resolution, Washington National Tax, KPMG US

Washington, DC
Image of Mary I. Slonina

Mary I. Slonina

Managing Director, Tax Controversy & Dispute Resolution, Washington National Tax

Mary I. Slonina is a Managing Director in the Washington National Tax - Tax Controversy & Dispute Resolution Services (TCDR) practice of KPMP LLP. Mary assists clients in addressing challenging IRS administrative and procedural issues and resolving complex IRS controversies. She represents clients before the IRS Large Business and International (LB&I) division, as well as the Independent Office of Appeals and IRS Chief Counsel.  Prior to joining KPMG, Mary was a director at another Big Four accounting firm.  Mary started her career as an attorney with the IRS Office of Associate Chief Counsel (Procedure and Administration). Mary is a director on the Council of Directors of the Tax Section of the American Bar Association; she is the immediate past Chair of the Administrative Practice Committee for the Section.  Additionally, Mary is active in the Federal Bar Association Section of Taxation and the American Institute of CPAs. Mary received her B.A. degree from The College of William and Mary and her J.D. from Case Western Reserve University School of Law.

Thank you!

Thank you for contacting KPMG. We will respond to you as soon as possible.

Contact KPMG

Use this form to submit general inquiries to KPMG. We will respond to you as soon as possible.

By submitting, you agree that KPMG LLP may process any personal information you provide pursuant to KPMG LLP's Privacy Statement.

An error occurred. Please contact customer support.

Job seekers

Visit our careers section or search our jobs database.

Submit RFP

Use the RFP submission form to detail the services KPMG can help assist you with.

Office locations

International hotline

You can confidentially report concerns to the KPMG International hotline

Press contacts

Do you need to speak with our Press Office? Here's how to get in touch.

Headline