Kranz_S_13629_T Stephen P. Kranz

Washington, D.C. Office
T: +1 202 756 8180

Stephen P. Kranz is a partner in McDermott Will & Emery’s Washington, D.C., office. He engages in all forms of taxpayer advocacy, including audit defense and litigation, legislative monitoring, and the formation and leadership of taxpayer coalitions. Steve is at the forefront of state and local tax issues, including developments arising in the world of cloud computing and digital goods and services. He assists clients in understanding planning opportunities and compliance obligations for all states and all tax types, including unclaimed property. His approach to taxpayer advocacy brings strategic thinking together with skills for the courtroom and the statehouse.  Steve was recognized by as one of the Top 10 Tax Lawyers and as one of the Top 10 Individuals who influenced Tax Policy and Practice for 2011.

Martire_M_12649_TMary Kay McCalla Martire

Chicago Office
T: +1 312 984 2096

Mary Kay Martire is a partner in McDermott, Will & Emery’s Chicago office, and is admitted to practice law in Illinois and Michigan.  As a member of the Firm’s State & Local Tax Practice Group, Mary Kay helps clients resolve their tax disputes through negotiation, settlement and when necessary, litigation.  Mary Kay has extensive experience representing clients in state, federal and administrative courts, including appeals.  Her litigation experience in the state tax arena includes injunctions, whistleblower actions and class action defense.

Call_R_09509_TRichard C. Call

Boston Office
T: +1 617 535 3974

Richard C. Call is a partner in the law firm of McDermott Will & Emery LLP and is based in the Firm’s Boston office.  He focuses his practice on state and local tax litigation before administrative and judicial bodies, at all levels and in multiple states, with respect to income, franchise, gross receipts, and sales and use taxes.  He also advises clients on the state and local tax consequences of business restructurings, as well as the impact of new state legislation on current business operations.

Yopp_M_13155_TMark Yopp

New York Office
T: +1 212 547 5798

Mark Yopp is a partner in the law firm of McDermott Will & Emery LLP and is based in the Firm’s New York office.  He focuses his practice on state and local tax matters. Mark has experience in state tax controversy, multistate planning and multistate legislative analysis.  He has assisted clients in analyzing various state tax and unclaimed property issues, including issues related to the internet and electronic commerce.  Mark also has experience analyzing state tax issues in bankruptcies for both creditors and debtors.