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​​​Experience

Mr. Roddewig is both a land use attorney and a real estate appraiser and is the former President of Clarion Associates, Inc., a real estate appraisal and consulting firm that merged into the Chicago office of JLL Valuation & Advisory Services, LLC, in November of 2017. Mr. Roddewig directs a national real estate appraisal and consulting practice focused on expert testimony in complex litigation and administrative review proceedings. He has worked on assignments in more than 40 states and a number of foreign countries, and currently holds appraisal licenses in more than 20 states. He has testified as an expert witness in a variety of federal district courts, in U.S. Bankruptcy Court, in U.S. Tax Court, and in state courts all across the United States. Much of his litigation related work involves determining the impact of contamination and environmental risk on property prices and even entire markets. Among his more notable assignments was expert testimony for Exxon in the Alaska state trial to determine the impact of the Exxon Valdez oil tanker spill on the market value of 1,300 miles of Alaska coastline, and an preparation of an expert report for four New Orleans levy districts on the appropriate appraisal techniques to determine the impact of Hurricane Katrina on the value of more than 150,000 properties in New Orleans.

A prolific author, Mr. Roddewig has authored or co-authored 14 books and more than 65 articles in professional journals. Two of his articles have won awards from the Appraisal Institute and The Counselors of Real Estate. He has also developed a wide variety of seminars, courses and programs for the Appraisal Institute as well as for many other organizations including the American Bar Association, The John Marshall Law School, University of Denver Law School, and Columbia University. He has been an adjunct lecturer at DePaul University, the University of Illinois at Chicago, and Northeastern Illinois University.

​​​Education and Affiliation

Mr. Roddewig holds the MAI designation from the Appraisal Institute, the CRE designation from the Counselors of Real Estate, and is a Fellow of the Royal Institution of Chartered Surveyors. He also is a past Chair of the Land Use Law Committee of the American Bar Association. He has both a Juris Doctor degree and a Master of Science degree from the University of Chicago, and an undergraduate degree in history and government from the University of Notre Dame.