Winemaker
Juan José Díez González
- Discipline
- Winemaker
- Based in
- Oyón, Spain

i. Biography
Juan José Díez González is the winemaker at Bodegas Faustino in Oyón, Spain, and Chief Oenologist at Familia Martinez Zabala. The work reads as a sequence of technical steps: Rioja education, cellar responsibility, and then wider oversight across a major house. In that arc, the craft is defined less by flourish than by discipline, continuity, and the ability to carry style across levels of responsibility.
The Climb
Technical training at Universidad de La Rioja (2004) and Universitat de Lleida (2001) gave Juan José Díez González the academic base that underpins his approach to wine. Those two stages sit at the root of a career built on precision, patience, and oenological rigor. In trade terms, they mark the difference between general interest and the habits of a maker who works from method. A long tenure as enólogo at Bodegas Ontañón (2004–2017) established the rhythm of his cellar practice. Over those years, Juan José Díez González worked through the repeating demands of timing, detail, and judgment that shape a vintage across its full course. The move to Bodegas Faustino SL (2017–2020) extended that same progression, keeping the emphasis on steady advancement rather than abrupt change. Since 2020, Juan José Díez González has held technical leadership as Director Técnico of GRUPO FAMILIA MARTÍNEZ ZABALA (Bodegas Faustino SL), while also serving as enólogo of Bodegas Faustino. The combination of roles places him between process and bottle: responsible for the technical direction of the group, and for the day-to-day decisions that keep the wines aligned with that direction. In Rioja, that pairing of oversight and cellar work carries real weight.
Today
Since 2020, Díez González has been Director Técnico at GRUPO FAMILIA MARTÍNEZ ZABALA (Bodegas Faustino SL) in Logroño, Spain. He is also the winemaker at Bodegas Faustino in Oyón, Spain. Between those two places, his work spans both the strategic and the tactile: the high-level direction that shapes a group’s technical course, and the closer, quieter responsibility of crafting the wines that ultimately define its voice.
Signature
Juan's signature wines include Faustino I Gran Reserva, Faustino & Eneko, Faustino Cava Brut, Gran Faustino I Gran Reserva, and Faustino I Gran Reserva 2001. Taken together, these names sketch the range of his cellar signature: wines that move across categories and expressions while remaining tied to the same overarching sensibility. Whether the bottle is marked by reserve, by collaboration, by sparkle, or by the quiet authority of age, the through-line is unmistakable—a winemaker working with discipline, continuity, and an eye for the long arc of maturation.
Profile updated July 2026
FAQ
Asked of Juan
What is Juan José Díez González's current role?
Juan José Díez González is Winemaker.
Where did Juan José Díez González train or study?
Juan José Díez González trained at Universidad de La Rioja and Universitat de Lleida.
What recognition has Juan José Díez González received?
The Master Winemaker 100 (2024).







