Barry A. Diskin, Ph.D., MAI, CRE, AI-GRS

Dr. Diskin is the principal in the firm.  His qualifications include a 35-year professorship at Florida State University in real estate where he taught from 1980-2015. His course load included graduate and undergraduate courses in real estate valuation.    From 1984 through 1997, he served as Director of the Real Estate Research Center in the College of Business. 

Dr. Diskin has authored dozens of professional and academic publications addressing a variety of real estate topics.   His research includes condominium conversion, contamination, property taxation, business ethics, application of the income approach in valuing agricultural land, and the appraisal of nuclear and gas-fired electric power utilities for ad valorem tax purposes.  He has testified in Michigan, Maine, Arizona, South Carolina, California, and in 37 counties across Florida on property tax, eminent domain, and commercial/residential lease disputes.  In addition, he has appeared on national television and before committees of the Florida Legislature on rent control and issues concerning market rent. 

His academic background includes undergraduate and graduate degrees in economics and finance  He earned a doctorate in land economics from Georgia State University.  He is also a graduate of the School of Mortgage Banking of the Mortgage Bankers Association of America. 

He holds the MAI and AI-GRS of the Appraisal Institute and the CRE (Counselor of Real Estate) designations. He is a member of the faculty of the Appraisal Institute.  He maintains a Florida real estate broker’s license and is a state-certified general real estate appraiser in Florida and Georgia. 

Today, along with his private practice, Dr. Diskin continues as Professor Emeritus in the College of Business at Florida State University.  

Resume (PDF)

Testimony Sample (PDF)


Robert M. Kissel, MAI

Robert M. Kissel, MAI is the senior staff appraiser.  Mr. Kissel is highly regarded by condemning authority representatives and private property attorneys.

Resume (PDF)



Sean Ruane

Sean Ruane graduated from the Florida State University College of Business.  Prior to working with DPR, he gained experience in single-family and multi-family property management.  In 2003 he came to work as a trainee appraiser and received his state license in 2006.  He has completed five of the six educational requirements towards the MAI designation.

 Resume (PDF)






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