Luke Ross is an Accredited Member of the International Society of Appraisers, specializing in Fine Art. With a strong research background and a master’s degree in Criminology from University College Cork, Ireland, he is now pursuing a Criminal Justice MBA at American Military University.

Mary Ross is an Accredited Member of the International Society of Appraisers with both a Fine Art Specialty and Antiques, Furniture + Decorative Arts Specialty. As a Dallas native, she has longstanding relationships with the local brain trust of personal property specialists. 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.