Senior staff

Frank Breslin
Revenue Commissioner - Chief Collections Officer
Marisa G. Waxman
First Deputy Revenue Commissioner
Dave Dorman
Deputy Revenue Commissioner (Tax Revenue Bureau)
Michelle L. Bethel
Deputy Revenue Commissioner (Water Revenue Bureau)
Marco A. Muniz
Deputy Revenue Commissioner (Collections)
Delores U. Davis
Deputy Revenue Commissioner for Administration and Special Projects
Frances Ruml Beckley
Chief Revenue Counsel
Tilahun Afessa
Director of Policy, Planning, and Outreach
profile photo of Beth Jurman
Beth Jurman
IT Director

Beth Jurman has over twenty years’ experience in enterprise engineering and software development with some of Philadelphia’s largest business partners including The Philadelphia Stock Exchange (NASDAQ), CIGNA, Independence Blue Cross and Comcast. Ms. Jurman is proud to bring her knowledge and experience to the City of Philadelphia’s Department of Revenue where she directs the technological efforts of Philadelphia’s tax and water billing initiatives.

Ms. Jurman holds a MA from Columbia University, a BA from the University of Pennsylvania, and a BS from Colorado State University.

Tom Wismer
Director of Accounting Operations
As the Director of Accounting Operations for the Department of Revenue, Tom Wismer supervises the Electronic Government Unit and the Accounting Control Divisions. Mr. Wismer joined the Department of Revenue in 1981 upon graduating from Drexel University with a BS in Business Administration. He worked as an accountant in Water Revenue until 1987, when he was appointed Accounting Supervisor of Accounting Control for the Tax Revenue Bureau. In 1997 he was appointed Accounting Transaction Supervisor. When the Real Estate Tax system was merged into the tax system in 2003, he was appointed Revenue Accounting Manager. Mr. Wismer has been a part of the Revenue department for more than 30 years.
Mark Harvey
Director of Operations (Water Revenue Bureau)
Mark Harvey started working with the City of Philadelphia in 1988. He has 28 years of service with the Department of Revenue's Water Revenue Bureau. Mr. Harvey earned a BBA with a major in accounting from Temple University.
Mike Isard
Research Director
As Research Director, Mr. Isard directs and manages a research group within the Department of Revenue. This group applies advanced database methods and technology to taxpayer and water customer information. Mr. Isard has been an employee of the City of Philadelphia since 1989. He has worked with the Controller's Office as an auditor and financial forecaster. Mr. Isard is a licensed CPA who attended the University of Michigan. He holds a B.S. in Business Accounting from the State University of New York.

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