About Us

Sandra Tropper, owner of Artemis, Inc., has been a fine art appraiser, consultant, and art dealer in the Washington, D.C. area for more than twenty-five years. She has completed appraisals for insurance coverage, damage and loss claims, estate tax calculation, estate and financial planning, non-cash charitable contributions, acquiring and disposition of property, and property division.

Ms. Tropper is a Fellow with the ASA—the highest honor the ASA bestows. She has a specialty in Fine Art accredited by the American Society of Appraisers, an international multi-disciplinary organization that educates, tests, and accredits appraisers. The Society has a mandatory reaccreditation program for all of its senior members and Ms. Tropper is in compliance with that program.

Organizational and Society Activities

Ms. Tropper is actively involved in ASA. Currently, she serves on its Board of Governors and is Vice Chair of the Personal Property Committee’s Board of Examiners. She is also a member of the Board of the ASA Washington, D.C. chapter and is its immediate past President.

She is a member of the ASA College of Fellows, ASA’s highest honor.

Ms. Tropper previously served as the International Chair of Education for the Society and was on the Personal Property Committee for more than 20 years. She served as Chair of the ASA Personal Property Committee for four years and as Chair of Education for the personal property discipline for ten years.

She was the ASA representative to The Appraisal Foundation Advisory Council (TAFAC) for nine years, serving as Chair of the Working Group on Personal Property and Chair of the Appraisal Standards Board Issues Committee. She served as Chair of TAFAC in 2011. She was a member of the Advisory Task Force for the Appraisal Standards Board for revision of the Personal Property Standards in The Uniform Standards of Professional Appraisal Practice (USPAP). For the past three years, she has been a member of the Personal Property Resource Panel of The Appraisal Foundation and currently serves as past Council Chair.

Instructor Experience

Ms. Tropper is an Adjunct Professor of at George Washington University where she teaches a course on the art market. She is also an instructor for ASA Principles of Valuation courses: Communicating an Appraisal—Report Writing; and The Legal and Regulatory Environment for Appraisal. She worked on the redesign of the four principles of valuation courses for the Society’s education program. She is also the author of ASA’s personal property Report Writing Update course, a course on Fair Market Value for personal property appraisers, and is the senior editor for a series of monographs on valuation practices and theory.

Further locations where she has taught include the Rhode Island School of Design, Pratt University, the University of Chicago, Northwestern University, the University of California at Irvine, the University of Georgia, SUNY at Purchase, and the Massachusetts College of Art and Design. She is an AQB-Certified USPAP Instructor and has taught courses to personal property appraisers for the American Society of Appraisers, other appraisal organizations, and private firms.


She received a B.A. in Art History and Political Economy from Sweet Briar College in Sweet Briar, Virginia and her Master of Arts in Art History from the George Washington University in Washington, D.C. She also has a Master of Arts in International Studies from The Johns Hopkins University Paul Nitze School of Advanced International Studies in Bologna, Italy and Washington, D.C. In addition to her academic background as an art historian, Ms. Tropper has taken practical classes in the fine arts at the Corcoran School of Art and Design, the Smithsonian Institution, Pyramid Atlantic, and the Maryland College of Art and Design.

She completed The Principles of Valuation courses through the American Society of Appraisers. In addition, she has attended numerous courses and seminars. She chaired conferences for the American Society of Appraisers Personal Property Committee on Fair Value for Personal Property Appraisers, Insurance Issues for Appraisers, and Trusts, Estates, and Estate Planning.

Other Professional Organizations

Ms. Tropper is a member of both ArtTable, a national organization of women in the arts and Charter 100, a national organization of professional women. She is also a Fellow in the Society of Antiquaries of Scotland, a member of the Society of American Archivists, and a member of the College Art Association.