The call I get every harvest season

A grower with good fruit and no buyer. A winery scrambling to fill a gap in their program. Both sides of the same problem, calling the same person. After more than a decade in Napa Valley, that pattern became impossible to ignore.

Our Story

Rob Whyte spent more than a decade as COO of Renteria Vineyard Management — one of Napa Valley's most respected farming operations. He managed thousands of acres, negotiated countless grape deals, and became the person both growers and buyers called when they needed to find each other. Every harvest season, the same pattern repeated: good fruit with no home, qualified buyers with no leads, and a market that still runs on phone calls and personal networks.

The California wine grape market is one of the most valuable agricultural sectors in the country. In Rob's experience, a significant share of it moves through the open market via word of mouth, brokers, and personal favors. There is no transparency, no benchmarks, and no infrastructure connecting available fruit to the people who need it.

“Every season, growers come to us with good fruit and no buyer. We've spent over a decade being the person both sides of this problem keep coming to — and we got tired of not having a better answer.”

Grapora is the answer. The name combines grape and agora— the ancient Greek word for a public marketplace and gathering place. It's an intelligent marketplace for wine grape commerce: a place where the people who grow and buy wine grapes can finally find each other on their own terms.

Today, Grapora offers free pricing intelligence — CDFA Crush Report data made searchable by AVA, varietal, and vintage, with historical trend analysis going back to 2003. Growers and buyers can see what their fruit is worth before they negotiate, with real data instead of guesswork.

Beyond pricing, we're building the marketplace the industry has never had: rich grower listings, buyer discovery tools, grower and buyer dashboards, and standardized contracts — all in active development, with early access available now.

“Grapora is more than a marketplace. It's a gathering place — an agora at the center of a community that has never had one.”

We're launching California first — and building for every wine growing region in the world.

The Team

Rob Whyte

Co-Founder & Domain

More than a decade in Napa Valley vineyard operations as COO of Renteria Vineyard Management — one of the valley's most respected farming operations. Rob has managed thousands of acres across dozens of premier vineyards, negotiated countless grape deals, and built the relationships that keep the industry moving. He started Grapora because he was the person both sides of the market kept calling — and he knew the industry deserved a better way to connect.

“We're not building another tech platform that happens to touch agriculture. We're building the tool this industry has needed for decades — because we've lived without it long enough.”

Matt Hallett

Co-Founder & Technology

Matt grew up in the grape-growing regions of Washington State. He went on to build a career in the startup world — SaaS platforms, AI applications, marketplaces — and has founded, funded, and exited software companies. He serves on the board of the Auction of Washington Wines, which raises money for charity while celebrating the Washington wine region. Grapora is where those two worlds finally meet: the industry he grew up in, and the technology he's spent his career building.

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Advisory Board

Grapora is guided by advisors with deep experience across agriculture, wine, and technology — people who understand both the industry and the tools that can transform it.

Interested in joining our advisory board? Get in touch.

Let's talk

Whether you grow grapes, buy grapes, or just want to learn more — we'd love to hear from you.

hello@grapora.com