Gabrielle is a Partner and Owner of Art Conservation Group LLC in New York City, a private practice specializing in objects conservation that serves major museums, private collections, galleries, and dealers. In 2025, Gabrielle and Rebecca Gridley took over ownership of ACG from Leslie Gat, who founded the company in 1992. Gabrielle specializes in the conservation of modern and contemporary art. Previous to her time at ACG, she interned and worked in museums and private practices in New York and London, including the Victoria & Albert Museum and Brooklyn Museum. Gabrielle holds an MA and MSc in conservation from University College London. She is a Professional Member of AIC and has served as an editor for their Contemporary Art Network (CAN!) publication. She is a guest lecturer on the conservation treatment of plastics for graduate students at the Conservation Center of NYU's Institute of Fine Arts.