André Guéziec did not grow up dreaming of owning a California vineyard, but rather in Sélestat, a small town in France’s Alsace region, where wine was woven into everyday life. It was part of Sunday meals, family gatherings and long conversations around the table. Wine was not something reserved for special occasions or collectors. It was simply part of the culture.

Those early experiences shaped the way Guéziec came to understand wine. His family did not chase famous names or expensive bottles. They bought wines directly from producers they knew in regions such as Bordeaux, Burgundy, the Rhône and the Loire, then patiently stored them away. Years later, those bottles revealed something he never forgot: wine was about place, people and time.

As a teenager, Guéziec was fascinated by the landscapes around Alsace. He and his family often searched for fossils in the nearby hills, sometimes among vineyards, and he remembers being drawn to the old wineries and enormous oak foudres that reflected generations of tradition. Long before he became a vineyard owner, he was learning that wine was connected to history and geography.

His professional life, however, moved in a very different direction. Recognized early for his ability in mathematics, Guéziec followed an academic path into engineering and computer science. He earned a Ph.D. and eventually built a successful technology career in the United States.

He founded Beat the Traffic, a software company focused on traffic data and visualization technology. The company developed systems used by television stations across the country and was eventually acquired in 2012. It was a successful career built on solving complex problems, but the idea of working in wine never completely disappeared.

After stepping away from technology, Guéziec began exploring the wine business more seriously. He joined De Novo Wines, learning the commercial side of the industry and gaining a better understanding of what it takes to build a wine brand. Eventually, he decided he wanted to move beyond producing wine and find a vineyard where he could focus on the land itself.

In 2021, that search led him to Mount St. Helena Vineyard in Lake County. The property immediately stood apart. Located on nearly 220 acres beneath the volcanic peak that shares its name, the vineyard combines elevation, volcanic soils, cool nights, north-facing slopes and persistent afternoon winds. It is not an easy place to farm, but Guéziec saw those challenges as part of what made the site special.

“I fell in love with the elevation, the predominantly north-facing aspect and the remarkable diversity of the property,” Guéziec says. “The persistent afternoon winds, the volcanic soils and the cool nights all suggested that this could be an exceptional place to grow grapes.”

Before making an offer, Guéziec visited the vineyard multiple times and even studied the property from above using drone footage. What he saw was not just a vineyard, but a diverse landscape of vines, forests, meadows and mountain terrain with the potential to produce excellent wines. The vineyard’s Petite Sirah first caught his attention, showing the depth and character he believed the site could deliver. Cabernet Sauvignon also showed promise, offering the structure and longevity that could become a signature expression of Mount St. Helena Vineyard.

The transition from technology entrepreneur to vineyard owner was not without challenges. Shortly after acquiring the property, the vineyard’s longtime grape buyer ended its relationship, forcing Guéziec to begin producing and marketing his own wines sooner than expected. What could have been a setback became the beginning of Domaine Helena.

Guéziec’s philosophy is rooted in the French idea of terroir,  allowing a wine to reflect the place where it was grown. He is not interested in

making a California version of Bordeaux or copying another region’s identity. Instead, he wants to discover what Mount St. Helena Vineyard can become on its own.

His engineering background still influences how he views the vineyard. He approaches it as a complex system where soil, weather, exposure, farming and vines all interact. But he believes wine requires more than analysis.

The goal, he says, is not to force the wine into a predetermined style, but to preserve the qualities that make each vineyard and vintage unique. That approach extends to organic farming practices focused on soil health, biodiversity and long-term sustainability. For Guéziec, organic farming is not simply a certification. It is a way to protect the vineyard and encourage the vines to express a stronger sense of place.

He also believes Lake County deserves more recognition. The region has often lived in Napa Valley’s shadow, despite sharing many of the same advantages: elevation, diverse soils and dramatic growing conditions. Guéziec hopes Domaine Helena can help show what the region is capable of producing.

For a man who spent decades working with computers and technology, the vineyard represents a return to something more fundamental. Domaine Helena is not about recreating the past or imitating another place, but rather listening to the land and allowing Mount St. Helena Vineyard to tell its own story.

Wine Recommendations

2024 “Petite Vine” Petite Sirah
Plum, blackberry and blueberry aromas lead into dark cocoa, cracked pepper and espresso. Rich and layered, the wine is balanced by polished tannins and bright acidity, finishing with graphite and baking spice.

2023 Mount St. Helena Vineyard Cabernet Sauvignon
Black currant, black cherry and tobacco open the wine, followed by silky tannins and flavors of dark chocolate and cedar.

2023 “Goose Flight” Red Blend
Black currant and black cherry provide the foundation, with cocoa, cedar and toasted wood adding depth. Dried tobacco and black pepper bring savory complexity.