I work as the staff gemologist at Lang Antiques in San Francisco. My position involves assessing the elements of the vintage jewelry-metals, method and era of manufacture, diamond grading, coloured stone identification, and makers mark /hallmark identification. I have the following degrees: Bachelors of Education, Graduate Gemologist, Fellow of the Gemmological Association (distinguished), and am a past Certified Gemologist Appraiser. I am an instructor at the Revere Academy in San Francisco, and a Tutor for the British Gemmological Association of Great Britain. I am also on the Advisory Board for The Guide publication. I am the past Global Chair of the GIA Alumni Association and on the Board of the Golden Gate Chapter.