Aya Mizukami is a Tokyo-based wine journalist and columnist. She writes for Forbes JAPAN and has been the lead writer for Nihon Wine Kiko since 2018, reporting from wineries across Japan and interviewing producers and experts in wine regions overseas.

She holds the WSET Level 4 Diploma and the J.S.A. Wine Expert qualification. In July 2026, she published her first book, Wine World Map: Travelling Through 15 Countries and Regions (Diamond, Inc.).

Her work explores wine through the lenses of culture, history, place and business, making specialist subjects accessible to a broad audience.