Winemaker
Diana Snowden Seysses
- Discipline
- Winemaker
- Based in
- Napa, California, United States
Known for
- Winemaker at Snowden Vineyards and Ashes & Diamonds in Napa Valley
- Enologist and Cellar Master at Domaine Dujac in Burgundy
- Advocacy on climate change in wine production and member of Porto Protocol steering committee

i. Biography
Diana Snowden Seysses is a Napa Valley native and third-generation family member at Snowden Vineyards, graduating from UC Davis with a B.S. in Viticulture and Enology in 2001. She began her career with harvests at Robert Mondavi Winery and other estates in California and France, joining Domaine Dujac as enologist in 2003 and becoming winemaker at Snowden Vineyards from the 2005 vintage while also serving as winemaker for Ashes & Diamonds since 2016. Married to Jeremy Seysses of Domaine Dujac, she divides her time between Napa Valley and Burgundy, focusing on terroir-driven wines with minimal intervention.
Profile updated February 2026
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