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Senior staff

Frank Breslin
Revenue Commissioner - Chief Collections Officer
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Deputy Revenue Commissioner for taxes Kathleen McColgan standing in front of City Hall, Philadelphia
Kathleen McColgan
Tax Deputy Revenue Commissioner
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Susan M. Crosby
Deputy Revenue Commissioner - Water Revenue Bureau (WRB)
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Marco Muniz, Revenue Deputy Commissioner in charge of tax collection, in front of City Hall, Philadelphia
Marco A. Muniz
Deputy Revenue Commissioner (Collections)
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Rebecca LopezKriss, Deputy Revenue Commissioner for policy, outreach and assistance programs, in front of City Hall, Philadelphia
Rebecca LopezKriss
Deputy Commissioner for Policy, Outreach, and Taxpayer Assistance Programs
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Delores Davis, Deputy Revenue Commissioner for Administration, in front of City Hall, Philadelphia
Delores U. Davis
Deputy Revenue Commissioner for Administration and Special Projects
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Frances Beckley Chief Revenue Council in front of City Hall, Philadelphia
Frances Ruml Beckley
Chief Revenue Counsel
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Tilahun Afessa, Revenue Senior Policy Analyst in front of City Hall, Philadelphia
Tilahun Afessa
Director of Policy, Planning, and Outreach
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The Water Revenue Bureau's Director of Operations, Mark Harvey, near City Hall, Philadelphia
Mark Harvey
Director of Operations (Water Revenue Bureau)

Mark Harvey started working with the City of Philadelphia in 1988. He has 30 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.

Revenue Research Director Mike Isard in front of City Hall, Philadelphia
Mike Isard
Research Director

As Research Director, Mike 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 BS in Business Accounting from the State University of New York.

ITS Project Director Pete Donnelly stands outside Philadelphia City Hall
Pete Donnelly
ITS Project Director
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Kyle Johnson
Kyle Johnson
Director of Information Technology
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