Jessica Han, FGA M.Sc., started her career at the Gems and Jewellery Trade Association of China as the Deputy Secretary General, progressing to the position of the Technology Research and International Cooperation officer in the National Gemological Technology Administrative Center in Natural Resources Ministry of China. After working in this trade for about two decades, she was appointed as the Head of Asia and Africa in 2020 by the Gemmological Association of Great Britain; since then, she has been devoted to promoting gemmological education internationally. Politically, Jessica has gained recognition as the committee member of the 93 society Natural Resources Committee of the Natural Resource Ministry of China. The role gives her direct access to provide continuous consultation to the Chinese central government and to maintain a strong linkage between the market and the policymakers for the trade. As a passionate gemmologist and an active gemstone collector, Jessica is well-known and respected internationally in the gemological industry. In 2019, Jessica was recognized as the Honorary Member of ICA due to her consistent contribution to the organization.