Le Bois DieuLawyers to Vignerons
From Swiss courtrooms to pre-phylloxera vineyards—Salma Cassam Chenaï and Frédéric Thiry abandoned two decades of law practice to revive 90-year-old Gamay vines in a forgotten 4000-hectare wine region turned cattle country.
From Swiss law offices to the Brionnais—how a chance meeting in Asia led to resurrecting vines planted before World War II.
Salma Cassam Chenaï (born in Madagascar) and Frédéric Thiry (Burgundian roots) met while traveling in Asia in 2002. By 2004, they had moved back to Europe together, settling in Switzerland where they practiced law in the district of Vaud for over two decades. But weekend trips to Burgundy gradually revealed a different calling [^73^][^81^].
Frédéric's Burgundian grandfather had introduced him to the great estates' cellars as a child. Meanwhile, Salma's exposure to farming came through her brother Yoann, who imports spices and vanilla from Madagascar to Geneva. Their conversion to natural wine crystallized after meeting Pierre Overnoy and other Jura vignerons—experiences that rewired their professional ambitions [^73^][^81^].
In 2015, they purchased Le Bois Dieu (The Holy Wood), an old agricultural estate in Semur-en-Brionnais, an hour west of Mâcon on the eastern side of the Loire River. Six years of restoration work followed before they released their first vintage in July 2021. With no formal winemaking training, they have been guided entirely by taste, conviction, and the mentorship of natural wine peers [^73^][^81^].
"Accompany without masking"—semi-carbonic maceration, zero inputs, and a "sur le fruit" style learned from Overnoy and friends.
Le Bois Dieu practices rigorous organic agriculture, aiming to enhance the living ecosystem of the soil. Having lain fallow or in cattle pasture since the phylloxera era, their vineyards were spared the chemical deluge of modern agriculture. The soil remains chemically pristine—what they call "magnificent terroir" for重新开始 [^73^][^90^].
In the cellar, their philosophy is pure and non-interventionist: spontaneous fermentations with native yeasts, no oenological inputs, no added sulfites (only natural sulfites present in the grapes), no fining, and no filtration. They employ carbonic and semi-carbonic maceration (approximately 15 days for the flagship cuvée) to create wines in the sur le fruit style—primary fruit-forward expressions that prioritize drinkability [^81^][^89^].
Crucially, they avoid both punch-downs and pump-overs to ensure lighter extraction, preserving the delicate structure of old-vine Gamay. Depending on the cuvée, élevage occurs in stainless steel, foudre, or amphora. Their motto—"accompany without masking"—reflects a nursing sensibility toward the wine: gentle guidance without force [^90^][^81^].
Zero Masque
Brionnais—granite and clay-limestone soils on the eastern side of the Loire, where pre-phylloxera vines survived decades of cattle grazing.
Year Vines
Planted between 1936 and 1939—predating World War II—these Gamay vines are rare survivors of the once-vast Brionnais vineyard. Their age and deep root systems produce minuscule yields of concentrated fruit [^89^][^95^].
Clay-Limestone
Dual soil composition provides both mineral drive (granite) and water retention with body (clay-limestone). This geological mix sits within a temperate climate, ideal for Gamay's expression of freshness and spice [^90^][^82^].
Hectares Lost
The Brionnais once supported 4000 hectares of vines before phylloxera. The region's conversion to Charolais cattle farming inadvertently preserved the soil from chemical agriculture—creating a time capsule for Salma and Frédéric to rediscover [^73^][^90^].
From the centenarian "Les Bienveillantes" to the Ardèche "Sui Generis"—a range spanning estate vines and trusted organic négoce.
Les Bienveillantes
The flagship cuvée—"The Benevolent Ones"—from estate Gamay vines planted in 1939 (some sources cite 1936). 15 days semi-carbonic maceration followed by 9 months aging in stainless steel. No added sulfur, unfiltered, unfined. Hints of pink flowers and black berries on the nose; in the mouth, extraordinary lightness and approachability. Described as an "eminently approachable and endearing cuvée" that drinks best in its youth. A 91-point wine from century-old vines [^72^][^89^][^95^].
Sui Generis
Sourced from western Ardèche (not Brionnais)—Gamay grown on sandstone soils from organic vineyards. A juicy, spicy expression designed to drink slightly chilled. The name suggests uniqueness; the wine delivers pure, uncomplicated pleasure through direct pressing and stainless steel aging. "The simplicity has its merits sometimes"—a refreshing counterpoint to the estate's more serious expressions [^88^][^90^].
Moreno de Verde Luna
A joyful co-fermentation of Gamay, Gamaret, Chardonnay, and Muscat. This unusual blend crosses red and white varieties to create a "living, joyful" wine of extreme drinkability. Designed for summer consumption—bright, immediate, and convivial. Represents the couple's experimental side while maintaining their zero-addition ethos [^90^].
L'Or du Soir
Chardonnay maceration—a departure from the pure red focus of the estate. Notes of candied citrus and spices, dense and vibrant. Aged in a combination of vessels (likely amphora or foudre given the house style). "Unique" in the context of the portfolio—proving they apply their natural, hands-off approach to whites with equal success [^90^].
Domaine du Père Benoît
A direct-press Carignan sourced from organic vineyards near Nîmes (southern France), made in collaboration with or purchased from the Domaine du Père Benoît. Creates a pale rosé with delicate red fruit and a touch of dissolved CO2 for freshness. Shows the duo's willingness to look beyond Burgundy for exceptional fruit, applying their light-touch vinification to Mediterranean varieties [^73^].
Vinification Approach
All wines share the same philosophy: organic or biodynamic grapes, hand-harvested into small boxes, carbonic or semi-carbonic maceration (whole bunch), no punch-downs or pump-overs, indigenous yeast fermentation, aging in stainless steel, foudre, or amphora depending on cuvée character, and bottling with zero additions (no sulfur, no fining, no filtration). The result: "harmonious reds with subtlety and finesse, powerful whites with extended aging" [^77^][^93^].
The Holy Wood Revival
Le Bois Dieu represents the resurrection of a forgotten wine region. The Brionnais, with its 4,000-hectare pre-phylloxera vineyard history, had become cattle country—famous for Charolais beef rather than wine. By reclaiming vines planted in the 1930s that survived decades of bovine grazing, Salma and Frédéric have tapped into a time capsule of pristine soils unspoiled by chemical agriculture [^73^][^90^].
Their transition from Swiss jurists to natural winemakers embodies a larger generational shift: professionals leaving urban careers for agricultural authenticity. Without formal training but with two decades of wine appreciation (fueled by Frédéric's Burgundian grandfather and encounters with Pierre Overnoy), they prove that taste and conviction can outweigh technical credentials. The wines—all Vin de France by choice—prioritize drinkability and joy over appellation prestige, making them emblematic of modern natural Burgundy [^81^][^82^].
- Resurrection of 4000-hectare pre-phylloxera vineyard zone
- Pre-WWII Gamay vines (1936-1939 planting)
- Zero chemical history (cattle pasture preservation)
- Lawyers → vignerons career transition
- Semi-carbonic maceration specialists
- No pump-overs, no punch-downs (gentle extraction)
- Stainless steel, foudre, and amphora aging
- Zero added sulfur, unfined, unfiltered
- Vin de France (declassified) philosophy
- Organic grape sourcing network (Ardèche, Nîmes)