Seminar Materials

This page contains information about the 2026 APTC Seminar, including seminar details, a Flip-book of all of the Seminar materials, individual session presentations, and a list of submitted Legal Updates.

2026 APTC Seminar Info

📆 September 23-25, 2026

📍 Chicago, IL

The 2026 Annual APTC Client Seminar will take place September 23-25, 2026 at the Fairmont Chicago, Millennium Park.

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Seminar Flip-book

Seminar Presentations

Session I - Economic Outlook
Emi Adachi, Heitman, LLC
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Session II: Intangibles and Economic Obsolescence in a Changing World
Mary O’Connor, ASA, CFE, Sikich LLP
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Session III: Transforming Property Assessment Through A.I.
James Williams and Alex Raju, City of Philadelphia Office of Property Assessment
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Session IV: National Legal Update
Moderator: Wyatt Swinford, Esq., Elias, Books, Brown & Nelson, PC
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Sessions V & VI: Use and Abuse of A.I. In Property Tax Valuation - Parts 1 & 2
Justin Gohn, MAI, SRA, Gohn & Company; Brendan Kelly, Esq, Siegel Jennings and Cris O’Neall, Esq, Greenberg Traurig, LLP
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Session VII: Discussion of Appraisal of Real Estate, 16th Edition
David Lennhoff, MAI, SRA, AI-GRS, Lennhoff Real Estate Consulting, LLC
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Submitted Legal Updates