Home Podcasts Inside Winemaking - the art and science of growing grapes and crafting wine
Inside Winemaking - the art and science of growing grapes and crafting wine

Inside Winemaking - the art and science of growing grapes and crafting wine

Jim Duane: Winemaker, Grape-grower, and Wine Educator 221 Episodes Sep 8, 2026

Inside Winemaking is a podcast that explores the art and science of growing grapes and crafting wine. Hosted by Napa Valley winemaker Jim Duane, it features interviews with top winemakers, grape-growers, and technical wine professionals. Each episode delves into their backgrounds and expertise, sharing stories and insights about winemaking. The podcast aims to be a comprehensive resource for both wine enthusiasts and industry professionals.

Episodes

221: JJ Naab - L'Amitié Wines
221: JJ Naab - L'Amitié Wines Sep 8, 2026 01:10:14 In this episode I talk with John "JJ" Julius Naab, assistant winemaker at Matthiasson Wines and founder of Lamitié Wines, about his unconventional path from Chicago brokerage and endurance sports into the wine world. JJ traces his move from finance to Santa Barbara hospitality and DTC sales at Brewer-Clifton and the moment he realized he wanted to make his own wine. We dig into his decision to com
220: Jen Williams - Arrow and Branch
220: Jen Williams - Arrow and Branch Aug 25, 2026 50:44 Jennifer Williams joins Jim to talk about her work as a contract winemaker, leading Arrow & Branch and co-owning Zeitgeist Cellars with her husband, Mark Porembsky. They dig into the design and philosophy of the new Arrow & Branch custom crush facility in Oak Knoll—its flexible tank mix, "white glove" service model, and how it's built to handle challenging vintages and a range of client brands. Je
219: Elias Fernandez - Shafer Vineyards
219: Elias Fernandez - Shafer Vineyards Aug 3, 2026 57:01 This episode features a conversation with Elias Fernandez, longtime winemaker at Shafer Vineyards in Napa Valley. Fernandez, who was raised by migrant farm workers in the Napa Valley, traces his path from studying enology at UC Davis to joining Shafer in 1984, where he became winemaker in 1994. He discusses the winery's evolution under John and Doug Shafer, its shift toward estate-only vineyards w
218:  The Barrel Management Episode
218: The Barrel Management Episode Jul 21, 2026 45:01 In this solo episode of Inside Winemaking, Jim tackles one of the questions he gets most often: how to manage empty barrels. Working through the full lifecycle of a barrel, Jim covers receiving and inspecting new barrels on arrival, keeping them hydrated before harvest (his go-to: shrink-wrap them tight and lock the moisture in), and recovering barrels that have dried out. He walks through swellin
217: Alison Rodriguez - Silverado Vineyards
217: Alison Rodriguez - Silverado Vineyards Jun 9, 2026 01:07:28 Recorded high above the valley floor in Silverado's Stags Leap estate, this episode with winemaker Alison Rodriguez dives into both Napa viticulture and her global winemaking journey. Alison unpacks the 2025 growing season—early bud break, late rains, and the shadow of El Niño—while describing the constant tension between picking early for safety and waiting for full ripeness in a fire-prone era.
216: Meredith Sarboraria - Livermore Valley and Valle de Guadalupe
216: Meredith Sarboraria - Livermore Valley and Valle de Guadalupe May 18, 2026 01:04:22 This episode features Livermore Valley winemaker and consultant Meredith Sarboraria for a wide-ranging conversation recorded on location in the heart of the appellation. A proud self-described "Livermoron," Meredith traces her path from tasting room work in the late 1990s to earning her Viticulture and Enology degree at Las Positas College and building her consulting business, Barrel Down Wine Ser
215: Elizabeth Vianna - Chimney Rock Winery
215: Elizabeth Vianna - Chimney Rock Winery Apr 21, 2026 01:00:25 In this episode Jim Duane sits down with Elizabeth Vianna to explore her unconventional path from pre-med student to one of Napa Valley's most respected Cabernet Sauvignon producers. Elizabeth shares how a late discovery of wine in New York City led her to University of California, Davis, and ultimately to a long-term career rooted in estate winemaking in the Stags Leap District. The conversation
214: Patrick Riggs - Jack Neal & Son Vineyard Managment
214: Patrick Riggs - Jack Neal & Son Vineyard Managment Apr 6, 2026 57:17 In this episode, viticulturist Patrick Riggs dives deep into the realities of organic farming in Napa Valley. We unpack what it takes to convert vineyards from conventional to organic, from soil testing and rethinking fertilizer programs to choosing equipment for under‑vine weed control and managing more volatile, season‑driven budgets. Patrick explains how tools and machinery for cultivation have
213: James Molesworth - Wine Spectator
213: James Molesworth - Wine Spectator Mar 17, 2026 01:13:11 This Jim sits down with James Molesworth, Senior Editor for The Wine Spectator, to trace James's unconventional path into wine—from a Francophile, academic household in Queens to blind-tasting Burgundy in a tiny West Village cellar, and eventually orchestrating tastings and writing for one of the most influential wine publications in the world. James reflects on formative mentors, the discipline a
212: Matteo Abreu - David Abreu Vineyard Management
212: Matteo Abreu - David Abreu Vineyard Management Feb 24, 2026 01:06:24 In this episode of Inside Winemaking, Jim Duane sits down with Matteo Abreu, fifth-generation Napa Valley farmer and part of the Abreu vineyard management family, to explore what it means to grow and farm at the highest level in one of the world's most demanding wine regions. Matteo shares his path into the family business, the realities of multi-generational vineyard management, and how Abreu app
211: Heat and Cold Stabilization of wines with Leigh Meyering from MyEnologist
211: Heat and Cold Stabilization of wines with Leigh Meyering from MyEnologist Jan 27, 2026 01:11:13 In this episode of Inside Winemaking, Jim Duane speaks with Leigh Meyering of MyEnologist about the practical and analytical aspects of heat and cold stability in wine. The discussion focuses on how and why protein haze and tartrate instability occur, with an emphasis on white and rosé wines. Leigh explains the principles behind heat stability testing, protein denaturation, and the use of bentonit
210: Tommaso Martignon - Seve Consulting
210: Tommaso Martignon - Seve Consulting Jan 15, 2026 01:10:31 This episode features Tommaso, a vineyard consultant whose career spans from Venice and Montalcino to Burgundy, Bordeaux, and other renowned wine regions. Tommaso discusses his background in viticulture, the technical aspects of working in different European vineyards, and how he manages various grape varieties and regional challenges. The conversation highlights real-world issues such as vineyard

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