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

Jim Duane: Winemaker, Grape-grower, and Wine Educator
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Welcome to Inside Winemaking, your go-to resource for all things winemaking, designed for those already immersed in the wine industry and anyone with a passion for the art and science of crafting the perfect bottle. Inside Winemaking was created to provide direct access to the people in charge of creating world-class wines and for listeners looking for a non-traditional, informative, and entertaining take on winemaking. Our mission is to be a comprehensive resource hub for winemaking, providing valuable content to enthusiasts and industry professionals alike. Your host Jim Duane (Napa Valley winemaker) interviews some of the top winemakers in California and beyond. Each episode features a winemaker, grape-grower, or technical wine pro and dives deep into their background and expertise. Wine newbies and expert enophiles will be entertained by winemaking stories and learn more about growing grapes and making wine. Join us on Inside Winemaking as we uncork the secrets of winemaking, share valuable insights, and create a vibrant community of wine enthusiasts and industry professionals. Subscribe now and elevate your winemaking journey!

  1. MAR 17

    James Molesworth - Wine Spectator

    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 and humility required to learn both tasting and journalism at a professional level, and how his anthropology background shaped his "observe and report" style of wine writing. He also unpacks Wine Spectator's mission to educate and entertain, the magazine's role in the global wine ecosystem, and how landmark moments like the post‑9/11 New York Wine Experience revealed the deep, relationship-driven core of the wine community. The conversation then widens to a rich exploration of regional evolution and the future of fine wine, focusing especially on Bordeaux and Napa Valley. James explains how Bordeaux's garagiste era parallels Napa's cult Cabernet phase, how shifts in farming (organic, biodynamic, agroforestry, soil health, old vines) are reshaping ripeness, structure, and balance, and why Cabernet Franc is becoming more important on both the right bank and in Napa. He talks candidly about climate pressures, changing consumer behavior, and why he remains bullish on Napa's future—as long as the valley stays rooted in agriculture, terroir, and authentic hospitality. Along the way, James shares insider perspectives on how Wine Spectator chooses which wines to review, the power of storytelling versus scores, and his "bookshelf" model for building regional expertise.213

    1h 13m

  2. FEB 24

    Matteo Abreu - David Abreu Vineyard Management

    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 approaches vineyard site selection, soil preparation, drainage, and long-term vineyard design. The conversation highlights the importance of matching the right varieties to the right sites, with a particular focus on Cabernet Sauvignon and Cabernet Franc, and how disciplined vineyard preparation sets the foundation for premium wine quality. The discussion also dives into modern challenges and hands-on solutions in Napa Valley viticulture, including heat management strategies such as shade cloth, pre-irrigation cooling, and selective use of misting, along with crop load management and canopy decisions for Cabernet Franc. Matteo also shares insights into Abreu's small-lot winemaking philosophy, co-fermentation practices, and the limits of automation in both vineyard and winery operations. Beyond grapes, listeners will hear about Abreu's olive oil production, olive fruit fly management, and commercial blueberry farming, offering a broader look at how diversified, detail-driven farming supports both wine quality and long-term sustainability.

    1h 6m

  3. JAN 27

    Heat and Cold Stabilization of wines with Leigh Meyering from MyEnologisteat and Cold Stabilization of wines with Leigh Meyering from MyEnologist

    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 bentonite to prevent haze, as well as how stability concerns differ between red wines and lighter-colored styles. The conversation also addresses the sensory and chemical impacts of stabilization decisions, including common concerns around stripping, mouthfeel, and visual clarity in finished wines. The episode then moves into cold stability, detailing the Davis conductivity, DIT, and ISTC 50 tests and how to choose the appropriate method based on a winery's stabilization strategy. Leigh outlines the roles of traditional chilling and seeding, carboxymethyl cellulose (CMC), and mannoproteins, including their limitations and compatibility with protein stability. Throughout the discussion, Jim and Leigh emphasize correct sampling strategy, filtration level selection, and timing of tests to ensure results accurately represent the wine that will be bottled. Practical lab workflows, sample volume requirements, and real-world bottling considerations are covered to help winemakers reduce risk and avoid post-bottling stability issues. Leigh previously appeared on Inside Winemaking in May 2019 to discuss the founding and early development of her wine lab, MyEnologist, including its analytical services and role in supporting winemakers. This episode builds on that earlier conversation by applying lab-based analysis directly to cellar decision-making, with a focused, technical look at stability testing and intervention strategies used in modern winemaking.

    1h 11m

  4. JAN 15

    Tommaso Martignon - Seve Consulting

    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 management, adapting to climate change, and the critical decisions involved in harvest timing and vine care. A significant part of the discussion focuses on the curretage technique, a method for removing diseased wood from vines using specialized tools. Tommaso explains the origins of this approach, how it is applied in European vineyards, and its role in combating trunk diseases. The episode also covers Tommaso's work as a viticultural consultant specializing team training for vineyard surgery, adapting vineyard design to environmental pressures, and practical steps for maintaining vine health. This episode is well-suited for listeners interested in the technical and operational side of vineyard management.

    1h 11m

  5. 12/23/2025

    Andrea Card - Francis Ford Coppola Winery

    In this episode, Andrea shares her unique journey to becoming the Director of Winemaking at Francis Ford Coppola Winery. Starting her career without the initial intention of entering winemaking, she found her path through roles in the laboratory, cellar, and bottling lines, developing a passion for the hands-on aspects of the craft. Andrea highlights the value of practical experience, local education, and her commitment to continual learning, which eventually led her to oversee the winemaking team at FFC. She discusses adapting to changes like the acquisition by Delicato Family Wines, her focus on mentorship and team guidance, and her philosophy of keeping winemaking rooted in the region's character. The conversation covers the structure and innovation at FFC, including their iconic wine programs, creative approaches to blending, and the development of new products such as low-alcohol, low-calorie wines. Andrea explains the logistics of vineyard sourcing across California, their strategies for maintaining quality and consistency, and the balance between digital tools and traditional whiteboards in managing production. She also offers insights into industry trends, the winery's club and visitor experience, and her role representing the brand through travel and events, always aiming to empower her team and stay connected to the evolving world of wine   Resources from this Episode Francis Ford Coppolla Winery   This podcast is sponsored by InnoVint. Wineries of all sizes rely on InnoVint's winery operating system to optimize vineyard tracking, manage wine production processes, automate compliance reporting, track costs seamlessly, and make data-driven decisions. The best part? The software is intuitive, easy to use, and mobile and offline friendly! And with the highest-rated customer service in the industry, you're guaranteed to have a smooth transition, even right before harvest. Learn more: innovint.us Get a demo: innovint.us/request-a-demo/ Join our free winemaking community: innovint.us/join-the-punchdown/   Check out the Fundamentals of Winemaking Made Easy video course   The Inside Winemaking Podcast on iTunes Now on Spotify And Amazon Music

    54 min

  6. 12/03/2025

    Jason Moulton - Whitehall Lane Winery

    This episode features an in-depth discussion about winemaking at Whitehall as the team nears the end of the 2025 harvest season. The episode begins with insights into the progression of the harvest, focusing on the completion of most varietals and the ongoing work with late-harvest selections like Semillon. Our conversation runs the gamut of technical issues such as stabulation of Sauvignon blanc juice, cellar techniques to avert the need for fining and filtration, and Whitehall's trials with Pierce's Disease resistant clones from UCDavis.   Resources from this Episode Whitehall Lane Winery   This episode is sponsored by Harvest Pillar concrete trellis posts. Want to know why more growers are going for concrete? It's because Harvest Pillar is the last trellis post you'll ever need.   Check out the Fundamentals of Winemaking Made Easy video course   The Inside Winemaking Podcast on iTunes Now on Spotify And Amazon Music

    1 hr

  7. 11/12/2025

    207: Benjamin Leachman - Walsh Vineyards Management and Vidi Vitis

    Ben is a seasoned viticulturist and winemaker currently serving as the Director of Viticulture and Winemaker at Large at Walsh Vineyards Management, overseeing approximately 1,000 acres in Napa and Sonoma. His journey in the wine industry began in 2004 after graduating with a biochemistry degree, starting at RH Phillips and later working with Jim at Seavey Vineyard. At Walsh Vineyards Management, Ben works with a team of 125 full-time employees and up to 400 seasonal workers, focusing on client relations, vineyard management, development. Alongside his professional role, he has created his own wine brand, Vidi Vitis, which started in 2015 with a unique opportunity to salvage a ton of Stags Leap District Cabernet. His winemaking philosophy emphasizes quality fruit, experimentation, and a passion for exploring different grape varieties.   Resources from this Episode Walsh Vineyards Management Vidi Vitis / Forgotton Union Wines   This podcast is sponsored by InnoVint. Wineries of all sizes rely on InnoVint's winery operating system to optimize vineyard tracking, manage wine production processes, automate compliance reporting, track costs seamlessly, and make data-driven decisions. The best part? The software is intuitive, easy to use, and mobile and offline friendly! And with the highest-rated customer service in the industry, you're guaranteed to have a smooth transition, even right before harvest. Learn more: innovint.us Get a demo: innovint.us/request-a-demo/ Join our free winemaking community: innovint.us/join-the-punchdown/   Check out the Fundamentals of Winemaking Made Easy video course   The Inside Winemaking Podcast on iTunes Now on Spotify And Amazon Music

    58 min

  8. 10/01/2025

    206: Esther Mobley - San Francisco Chronicle

    Join me as I sit down with Esther Mobley, Senior Wine Critic for the San Francisco Chronicle. Esther shares her fascinating journey from an English major to a wine journalist, starting with a harvest internship in Napa Valley and subsequently working in Mendoza, Argentina. Her career path led her through Wine Enthusiast and Wine Spectator before landing at the Chronicle in 2015, where she has since become a prominent voice in wine journalism. Throughout our conversation, Esther discusses her approach to wine writing, emphasizing her role as a reporter who explores wine through broader lenses of society, climate change, immigration, and culture. She explains that her job goes beyond traditional wine criticism, focusing instead on telling compelling stories about the wine industry in California. The episode offers listeners an insider's view of wine journalism, tracing her professional evolution and her unique perspective on covering the dynamic world of wine.   Resources from this Episode San Francisco Chronicle Wine Drinking with Esther Newsletter "The original 'cult' wine: How I discovered California's strangest vineyard" Published 2018   This episode is sponsored by Harvest Pillar concrete trellis posts. Want to know why more growers are going for concrete? It's because Harvest Pillar is the last trellis post you'll ever need.   Check out the Fundamentals of Winemaking Made Easy video course

    1h 4m
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Welcome to Inside Winemaking, your go-to resource for all things winemaking, designed for those already immersed in the wine industry and anyone with a passion for the art and science of crafting the perfect bottle. Inside Winemaking was created to provide direct access to the people in charge of creating world-class wines and for listeners looking for a non-traditional, informative, and entertaining take on winemaking. Our mission is to be a comprehensive resource hub for winemaking, providing valuable content to enthusiasts and industry professionals alike. Your host Jim Duane (Napa Valley winemaker) interviews some of the top winemakers in California and beyond. Each episode features a winemaker, grape-grower, or technical wine pro and dives deep into their background and expertise. Wine newbies and expert enophiles will be entertained by winemaking stories and learn more about growing grapes and making wine. Join us on Inside Winemaking as we uncork the secrets of winemaking, share valuable insights, and create a vibrant community of wine enthusiasts and industry professionals. Subscribe now and elevate your winemaking journey!

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