After studying a Bachelor of Fine Arts focusing on painting and ceramics at Sydney College of the Arts, Marianna began working for the St Vincent de Paul Society retail division where she discovered a love of second hand objects and jewellery in particular.  Managing the receipt and pricing of a vast array of donations, Marianna was subsequently promoted to manage multiple stores.  At Theodore Bruce, Marianna has developed extensive experience in the valuation and cataloguing of jewellery and precious objects with a particular interest in gemstones and minerals.  Having completed a Diploma with the Gemmological Association of Australia (GAA), Marianna is a fully qualified Gemmologist and is responsible for the presentation of the Theodore Bruce monthly calendar of jewellery auctions.