Executive Management


Our executive management team is composed of highly trained professionals with experience in valuation, collateral due diligence, technology, econometrics, real estate investment analysis, and urban planning. Skilled in nearly all matters related to residential and commercial real estate valuation, Property Sciences’ professionals have been accepted as experts in the field of real estate valuation for private, public, and governmental agencies. Combined with a large professionally licensed appraiser staff, a highly culled panel of industry participants, and state of the art technology, we are uniquely qualified to advise you in your most important real estate collateral decisions.

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Paul E. Chandler, MAI
Founder & CEO
925.246.7301
Paul.Chandler@propsci.com
Mr. Chandler is a recognized industry leader whose 30 years of experience have turned Property Sciences into a national brand. Both the company's residential and commercial divisions continually benefit from his background in valuation, appraisal, lender-platform technology development, and online and print media. Prior to forming Property Sciences, he was Senior Vice President of Corinthian Real Estate, where he provided financial institutions with market analysis, branching strategy and site acquisition consulting.

Mr. Chandler founded Commercial Lender magazine in 1995 and C-Lender.com in 1999, and grew them both into market share leaders prior to their purchase by Scotsman Publishing in 2001. He is the former publisher of the California Housing Report, a frequent speaker at real estate events throughout the United States, and host to many professional educational venues. Active within the mortgage industry, Mr. Chandler has received numerous industry awards including the Affiliate of the Year Award, the highest honor presented to a non-mortgage broker by the Association of Mortgage Brokers.

Mr. Chandler holds an MBA with an emphasis in real estate from the Haas School of Business, University of California, Berkeley and a BS in Business Administration with an emphasis in finance from the University of California, Berkeley. Additionally, he holds a California Real Estate Broker's License and previously was an N.A.S.D. General Securities Registered Principal. He is a member of the Appraisal Institute holding the MAI designation and is a state certified appraiser with the General Certification.
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Dean Huynh
President
925.246.7381
Dean.Huynh@propsci.com
Mr. Huynh joined Property Sciences in 2003 as a Commercial Real Estate Appraiser. His appraisal experience includes a variety of complex property types including valuations of subdivisions, lodging properties and condominium developments. He currently serves in managerial capacities for the Residential, Commercial, and IT Divisions. Utilizing his background roles in IT development and project design specifications, he serves as the bridge between Property Sciences' business operations and technology teams, overseeing the implementation of integration projects, workflow optimizations, and other IT-related initiatives. Currently, he sits on the MISMO Property & Valuation Services Workgroup, tasked with ensuring that data elements related to property identification and valuation services are identified and logically arranged and serving as a communication bridge between valuation professionals and the end users of their services.

Mr. Huynh graduated from the University of California at Los Angeles with a B.A. in Economics with a Programming Specialization. He is a Certified General Real Estate Appraiser.
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David Kim
Vice President
Residential Division
213.443.4517 David.Kim@propsci.com
Joining the Residential Division in 2005, Mr. Kim’s high level of talent quickly earned him increasing levels of responsibility. A systematic and clear thinker, he has formalized and implemented a variety of the company’s current workflow management processes and operational structures. In his current role, he oversees the division’s day-to-day operations, ensuring execution of company goals and SLAs, promoting understanding of these standards with associates, and directing curative actions for exception trends. Mr. Kim is a graduate of the California Mortgage Banker’s Association’s Future Leaders Program Class of 2010, a program dedicated to identifying and cultivating the next generation of industry leaders by delivering a comprehensive leadership training experience.

Mr. Kim earned a Bachelor's Degree in Economics with concentrations in Finance and Econometrics from the University of California at Davis.
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Arthur O. Neudek, MAI
Vice President
Commercial Division
925.246.7342 Arthur.Neudek@propsci.com
Mr. Neudek joined Property Sciences in 2013 as an MAI designated Commercial Real Estate Appraiser. He brings with him over 30 years of experience in the real estate and commercial banking industries including several years of CMBS experience. Most recently, he served as a Senior Associate for National Valuation Consultants (NVC) where he prepared appraisals on a broad spectrum of investment grade real estate assets. Mr. Neudek is well-versed in appraisals of multi-family, industrial, office, and retail properties, with significant experience and expertise in retail fuel, senior housing, special use properties, and a full spectrum of hospitality properties. Prior to joining the Property Sciences team, Mr. Neudek spent several years focusing exclusively on hospitality valuation. In his short time at Property Sciences, Mr. Neudek implemented and advanced specialty departments in the areas of Hospitality, Senior Housing, and Retail Fuel uses. In addition to completing appraisal reports, Mr. Neudek serves as a Senior Reviewer and accepts final signing responsibly for many high risk and complex appraisals.

Mr. Neudek graduated from the University of Wisconsin, Madison with a Bachelor of Business Administration in Finance. He later received a Master’s of Science in Real Estate Finance and Urban Land Economics from the University of Wisconsin, Madison where he studied under Dr. James A. Graaskamp.
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Paul O Riordan, AR
Chief Appraiser
Residential Division
925.246.7316 Paul.ORiordan@propsci.com
Mr. O'Riordan establishes and maintains appraisal policies regarding all residential valuation products, assists in the resolution of valuation dispute escalations, and ensures compliance with regulatory and legal requirements as they relate to collateral valuations. A 14-year veteran of the real estate industry, his specialties include multi-million dollar residential property valuations and appraisal review, as well as market analysis for residential real estate throughout the United States.

Mr. O'Riordan earned a Bachelor's Degree in Political Economy of Industrial Society from the University of California at Berkeley. He is a Certified Residential Real Estate Appraiser.
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Justin Eichman, AG
Managing Director
Commercial Division
925.246.7304 Justin.Eichman@propsci.com
Justin Eichman is the Managing Director of the Commercial Division for Property Sciences. Since joining the firm in 2001, Mr. Eichman has valued a multitude of property types including, retail, office, multi-family, industrial, residential subdivisions and land. His experience also includes partial interests, special use properties, and consulting assignments. His specialties include proposed projects, subdivisions and land within various stages of the entitlement process. In addition to completing appraisal assignments, Mr. Eichman has training, review and final signing responsibility for many complex risk assignments.

Mr. Eichman holds the State of California Certified General Real Estate Appraiser License. His education includes a Bachelor’s Degree in Architecture and a Master’s of Business Administration (MBA) degree with an emphasis in Finance from California Polytechnic State University in San Luis Obispo.
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Milan Jarolim, AR
QC Director
Residential Division
213.443.4534 Milan.Jarolim@propsci.com
Mr. Jarolim's comprehensive background includes 11 years as the Chief Appraiser for IndyMac Bank's Wholesale Division, where he specialized in implementing automated valuation models for collateral risk assessment, appraisal review training and nationwide appraisal review. In his current role, he administers the company’s quality control program, using his 20 years of professional experience to design and implement specifications for quality grading standards and policies, directing the department to ensure that the highest standards for quality are maintained, and functioning as conduit between the company's appraisers and customers.

Mr. Jarolim earned a Bachelor's Degree in Business Administration with a concentration in Real Estate and Land Use Affairs from Sacramento State University. He is a Certified Residential Appraiser.
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Herb Jourdan
MAI, SRA
Chief Appraiser
Commercial Division
407.474.1293 Herb.Jourdan@propsci.com
Mr. Jourdan has been involved in real estate appraisal production and review since 1977. After training in residential and eminent domain appraising in Indianapolis, Indiana, he relocated to Florida in 1983 to work in Fort Lauderdale with the Florida Department of Transportation as a Review Appraiser. Mr. Jourdan relocated to Orlando and trained as a commercial appraiser in 1984. He earned the Senior Residential Appraiser designation in 1983 and the Senior Real Property Appraiser and MAI designations in 1988.

Mr. Jourdan was employed with a US Treasury Department Agency (Office of Thrift Supervision) from 1989 to 2000 first as Chief District Review Appraiser II and then as an examiner satisfying the requirements for designation as a Federal Thrift Regulator. From 2000 to 2012, he founded Appraisal Office of Central Florida and served as Chief Appraiser of a nationwide appraisal management company.

Mr. Jourdan earned a Bachelor’s Degree in Business Administration (concentrations in finance and real estate) from Indiana University in Bloomington, Indiana. He currently serves on the Board of Trustees of The Appraisal Foundation and is Vice Treasurer of the organization. He is a State-Certified General Real Estate Appraiser RZ268.
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Tonya Hayes
Marketing Director
925.285.0001 Tonya@TonyaHayes.com
Ms. Hayes, with almost three decades of communications and banking experience, has worked at the highest level in publishing, public relations and communications services, and has deep domain experience in the real estate industry.

She served as SVP Managing Editor for Commercial Lender, a highly-rated banking magazine for the commercial real estate industry, has held executive level positions in real estate banking, and promoted start-up pre-IPO companies in the early years of the dot-com boom. Ms. Hayes also worked as a VP, Public Relations and Corporate Communications for publicly-traded Wink Communications, Inc., as well as VP, Public Relations and Executive Communications for Reply.com.

Hayes earned her Bachelor’s degree in Business Administration from St. Mary's College and supports several charitable causes.