Jonathan A. Liss

Jonathan A. Liss is a Senior Policy Analyst with the City of Philadelphia Department of Revenue. As a member of the technical staff, Jonathan is responsible for monitoring federal, state, and local tax legislation and evaluating its potential impact on Philadelphia taxes, in addition to developing internal tax technical training programs.  Jonathan’s responsibilities also include drafting published guidance on the Department’s business tax policies. He is also a frequent speaker on Philadelphia business taxes at PICPA events and educational seminars for tax practitioners and small businesses.

Prior to joining the Philadelphia Department of Revenue, Jonathan worked for several global public accounting firms, providing a broad range of multistate tax services to Fortune 500 and middle-market clients. Mr. Liss also spent 21 years as a director of state and local tax audits for Rohm and Haas Company, a Philadelphia-based, multinational producer of specialty chemicals that was acquired by The Dow Chemical Company in 2009.  

Jonathan received his undergraduate degree in accounting, with honors, from Drexel University and his M.S. in Taxation from Temple University. He is formerly a member of the Council on State Taxation’s (COST) Board of Directors and was an active participant in COST conferences and schools for many years.  Mr. Liss has also served on the State and Local Tax Committee of the Tax Executives Institute Philadelphia Chapter (TEI), Philadelphia Chamber of Commerce tax committee, and Philadelphia Revenue Commissioner’s Tax Advisory Committee. He is currently a member of the Philadelphia Bar’s State and Local Tax Committee.

Jonathan has experience teaching state and local tax both to undergraduate and graduate students.