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

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....

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...

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...

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...

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...

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 ap...

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 bentoni...

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...

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 educat...

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...

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,...

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 sinc...

Rich DeScenzo, the Microbiology Group Leader at ETS Labs, came on this episode to discuss the science of wine microbiology and its impact on winemaking. We talked about the roles of yeast and bacteria, such as Brettanomyces, in wine quality and stability. The episode explores the evolution of microbial testing, highlighting advanced techniques like Scorpion PCR technology, which enhances microbial...

Join us today as we have a conversation with Chris Morisoli from Morisoli Vineyard. Chris is a fifth-generation farmer from Morisoli Vineyard in Napa Valley and he shares his journey from serving as a helicopter pilot and volunteer fireman to managing his family's historic vineyard.  The conversation highlights the vineyard's evolution, the challenges of maintaining old vines, and the importance o...

Discover the art and passion behind Abloom, a distinctive rosé wine brand crafted by winemakers Molly Hill, Ashley Hepworth, and Sally Blum. This episode discusses their experiences from UC Davis to Napa Valley, highlighting their unique collaboration and the meticulous process of creating a high-quality rosé.  They share about their use of fermentation techniques and the thoughtful design element...

Join us today as we explore the fascinating journey of renowned winemaker Rosemary Cakebread, whose career spans continents and decades. We discuss her early life in Japan, her education at UC Davis, and her groundbreaking work at Inglenook Winery. Rosemary shares information on dry farming and crafting varietals like Albariño and Petite Sirah, revealing the intricacies of her winemaking process. ...

Join us this week to hear from Morgan Twain-Peterson, Master of Wine, owner and winemaker at Bedrock Wine Co.  Influenced by his father, the founder of Ravenswood Winery, Morgan's path is enriched by his experiences in the European vineyards. Listen in for innovative methods in sustainable viticulture, including sap testing for vine nutrient needs and the role of regenerative agriculture. Explore...

Located on the true Sonoma Coast, Ross Cobb of Cobb Wines tackles the intricate challenges of vineyard management and unpredictable weather. Ross farms his family's Coastland Vineyard, planted to Pinot Noir, one of the oldest plantings of Pinot in Sonoma County.  Our discussion ran the gamut between farming and Ross' experiments in the cellar.  Ross had thoughtful insights regarding with whole clu...

In this episode, we welcome Rob Perman, Vice President of Operations at Free Flow Wines, to share the world of wine kegging. We discuss the technical aspects of wine kegging, such as sanitation, oxygen management, and logistics, and how Free Flow Wines has grown from a small operation to a leader in custom kegging services.  Rob explains the benefits of wine on tap for restaurants, including susta...

Explore the rich history and innovative future of Napa Valley winemaking in this episode with Cole Ballentine from William Cole Vineyards. As a fifth-generation winemaker, Cole discusses his family's path of changing a ghost winery into a thriving vineyard, emphasizing the blend of tradition and modernity in their craft. Learn about the strategic evolution of their brand, the importance of storyte...

Join us on an exploration into the realm of organic and natural winemaking with Jack Sporer, the visionary behind Fresh Wine Co. and Magnolia Wine Services. Learn how his upbringing in a family vineyard in Sonoma Valley blossomed into a passion for organic viticulture and thoughtful intervention methods. Jack discusses the challenges and successes of transitioning to regenerative farming and revea...

Discover the untapped potential of Arizona winemaking as Kent Callaghan, a pioneer in the Sonoita Valley, shares his approach to crafting exceptional wines in a region south of Tucson.  In this episode, Kent explores the distinct challenges of Arizona's high-altitude landscapes, from managing diverse grape varieties to navigating the state's unpredictable climate.   Gain perspectives into sustaina...

Discover the innovative world of Arizona winemaking through the eyes of Todd Bostock from Dos Cabezas WineWorks. Todd shares his entry into the winemaking industry, highlighting the challenges and opportunities of crafting wines in the Sonoita Valley's diverse climates and soils. We discuss the impact of regional diversity on grape varieties and the techniques being used, such as co-fermenting gra...

Stu Ake from The Wine Foundry joins us to discuss the art of personalized custom-crush winemaking. Stu shares his journey into winemaking, which began at Crush Pad in San Francisco. The episode covers the opportunites that The Wine Foundry provides, the logistics and creativity involved in crafting small batches of wine, emphasizing how younger generations are redefining wine conventions.    Liste...

In this episode, Noah Chichester, a specialist in Galician wines, guides us through the vineyards of Galicia, Spain. Raised in Potsdam, NY, Noah shares how his passion for Galician wines was sparked by his Spanish-influenced upbringing. The discussion covers the distinct grape varieties of Galicia, such as Albariño and Godello, and the unique challenges winemakers face in the region's Atlantic cli...