Don Gilbert

Inventor of GEM Lease Analysis™ & Technical Consultant, Retail Leasing

B Com/B Econ; Dip Prop Val; Cert Med & Arbit. CPV; MRICS
(RICS accredited valuer, expert and arbitrator.

30 years of experience in the retail sector and inventor of the “Gilbert Evaluation Methodology™“ or “GEM Lease Analysis™” of “Evaluating the Reasonable Rent for ONE Retail Lease”. Don has presented 16 professional papers on his Intellectual Property, including the GEM Lease Analysis™, at many prestigious international conferences.

International Valuation Standards Council (IVSC)

Definition Current Market Rent (Gilbert, D. 1995)

Best Research Paper “Settling Rental Disputes by Expert Determination”

WAVO Conference, Beijing (Gilbert, D. 2007)

Owns Copyrights © and Intellectual Property that are pivotal to valuation practice

Presented 16 professional papers, with modelling, which embody key Codes of Valuation Practice aka a “Body of Knowledge” in regard to valuation of Income Producing Property (Gilbert D. 1993 – 2020)

Invented Software to evaluate reasonable rent for ONE Retail Lease (GEM One™)

May become the basis for a new International Standard

Presented “Evaluating Risk in the Retail Property Sector from ONE Lease to the Industry as a Whole, Including Gearing”

IVSC – WAVO valuation conference in Singapore, IVSC – ANEVAR business valuation conference in Romania (Gilbert, D. 2018) and PRRES - API conference in Canberra, AU 2020.

Presented “Turning the Art of Retail Lease Evaluation Into a Science, Part 1: Defining & Understanding the Problem and the Consequences"

30th Annual Pacific Rim Real Estate Society Conference, Gold Coast, Australia, 14 - 17 January 2024.