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About Us

Defined Value is a family run company with 45 years of combined experience in the antiques, art, furniture, and decorative accessories industry. Our appraisers have longstanding relationships with the local brain trust of personal property specialists. Our priority is  providing the highest level of customer service with evidence-based  results in an efficient and professional  manner.

Luke Ross is an Accredited Member of the International Society of Appraisers. His specialty is in Fine Art. He has a degree in Political Science from Texas State University and a master’s degree from University College Cork, Ireland. As an associate in the estate sale industry, Luke has experience handling personal property. Private client sales have become a part of his focus as the business development manager at Defined Value. As a personal property appraiser, he will help you establish the worth of your property across various markets and intended uses.

Mary Ross is an Accredited Member of the International Society of Appraisers with both a Fine Art Specialty and an Antiques, Furniture + Decorative Arts Specialty.  She is a Highland Park High School and University of Texas graduate with a degree in Economics. Mary is enjoying the current location of Defined Value, surrounded by the energetic live/work community of the Dallas Design District. 

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