Valuation and Appraisal Expert Witness Services

EDS Valuation and Appraisal Expert Witness Services Group value assets across industries and asset classes worldwide. Our discipline-specific and multidisciplinary valuers are internationally recognized and accredited ASA/RICS/MAI & USPAP/IVS (Red Book) appraisal instructors—all Super Appraisers® Elite-Rated international valuation luminaries.

We specialize in providing appraisal expert-witness testimony and litigation-support services to attorneys and law firms throughout the world, and we have prevailed in Billions-of-Dollars at issue in some of the world’s most complex—important—high-profile—and valuable valuation-related litigation and Alternative Dispute Resolution.

An Elite-Rated member of the peer-voted Super Appraisers® Global Network of internationally-recognized appraisal luminaries.

Royal Institution of Chartered Surveyors Expert Witness Accreditation Certification (EWAS)
Appraisal Institute - Equity Development Systems, LTD.
American Society of Appraisers

EDS Valuation and Appraisal Expert Witness Services

'We Value What You Do'

Super Appraisers

EDS holds the only RICS Expert Witness Accreditation Service (EWAS) and Dispute Resolution Service (DRS) Certifications
in the Western Hemisphere—one of only a handful of such Certifications in the world.

EDS is an Elite-Rated member of the peer-voted Super Appraisers® Global Network of internationally-recognized appraisal luminaries.

EDS has prevailed in billions-of-dollars at issue in some of the world’s most complex— important—high-profile—and valuablevaluation litigation.

EDS Valuation and Appraisal Expert Witness Services are provided by our Super Appraisers® Elite-Rated discipline-specific and multidisciplinary senior appraisers holding international accreditation with the American Society of Appraisers (ASA) and/or The Appraisal Institute (AI) and/or The Royal Institution of Chartered Surveyors (RICS).

The ASA is the oldest and largest multidisciplinary appraisal—valuation organization in the world with some 5,000 members in 137 countries globally. The Appraisal Institute is a global association of real estate appraisers, with nearly 23,000 valuation professionals in almost 60 countries throughout the world. RICS, with headquarters in London, is the leading organization of its kind in the world for more than 100,000 qualified professionals in commercial and residential development, construction and project management, brokerage, planning and finance, and valuation.

Our experts include Uniform Standards of Professional Appraisal Practice (USPAP) and International Valuation Standards (IVS) and RICS ‘Red Book’ instructors, former state and federal appraisal regulatory compliance officers, and Value Adjustment Board (VAB) magistrates.

Our Valuation and Appraisal Expert Witness Services Group is headed by Executive Managing Director, Steven N. Siegler, ASA, FRICS. Mr. Siegler is an Accredited Senior Appraiser (ASA) and was honored to serve as the founding International Chairman of Appraisal Review and Management (ARM) for the American Society of Appraisers from 2002-2011. Mr. Siegler co-authored and directed the development and implementation of the ASA’ Appraisal Review and Management Principals of Valuations series of courses and best practices that are now taught to professional valuers, government officials, legal experts, and many others throughout the world.

Mr. Siegler holds international valuation accreditation as Fellow, Royal Institution of Chartered Surveyors (FRICS), and he holds the only RICS Expert Witness Accreditation Service (EWAS) and Dispute Resolution Service (DRS) Certifications in the Western Hemisphere—one of only a handful of such certifications in the world.
Mr. Siegler holds TS Clearance with the U.S. Government and he is uniquely qualified to practice before U.S. Government agencies in national-security related valuation and in other special state matters.

Appraisal Expert Witness Case Studies