Meet Our Team
Steve Domenichelli
GM | Vineyard Manager
With more than 35 years of experience in the Sonoma County wine industry, Steve Domenichelli brings a wealth of knowledge, leadership, and a lifelong appreciation for the region’s agricultural heritage to his role as General Manager of Quivira Vineyards.
Prior to joining Quivira, Steve spent 33 years at Ferrari-Carano Vineyards and Winery, where he served as Director of Operations, overseeing the many facets of a world-class wine estate. His extensive experience in vineyard operations, winemaking infrastructure, and estate management has shaped his thoughtful, hands-on approach to leadership.
At Quivira, Steve is dedicated to preserving the character of the estate while embracing its future. He works closely with the vineyard, winemaking, and hospitality teams to uphold Quivira’s longstanding commitment to organic farming, responsible land stewardship, and producing exceptional wines that reflect the unique character of Dry Creek Valley.
Deeply connected to Sonoma County and its wine community, Steve believes that great wineries are built on a foundation of exceptional people, respect for the land, and a genuine passion for bringing people together through food, wine, and hospitality.
Aaron Piotter
Winemaker
A graduate of UC Davis with a degree in Viticulture and Enology, Aaron has built an impressive career working with respected wineries throughout Sonoma County.
At Quivira, Aaron embraces the estate’s longstanding commitment to organic farming and caring for the land. His winemaking philosophy is rooted in a simple belief: great wines begin in the vineyard. By allowing the grapes and wines to speak for themselves, he strives to create authentic, expressive wines that capture the unique character of Quivira and Dry Creek Valley.
Outside the winery, Aaron is an avid cyclist, voracious reader and enthusiastic cook who greatly appreciates the natural beauty and bounty of Sonoma County.
Julia Gnall
Estate Chef
Born and raised in Marin County, Chef Julia Gnall has a deep appreciation for Northern California’s agricultural heritage, seasonal bounty, and the incredible farmers who make this region so special.
A graduate of Le Cordon Bleu, Julia has honed her culinary skills working alongside some of the industry’s most celebrated chefs in the Bay Area, including Nancy Oaks and Gary Danko. She pursued her culinary internship in San Miniato, Italy deepening her understanding of truly seasonal and regional cooking.
Her experience, creativity, and passion for exceptional ingredients have shaped a cooking philosophy rooted in simplicity, seasonality, and respect for the land.
At Quivira, Julia embraces the estate’s commitment to organic farming, drawing inspiration from the changing seasons and the abundance of fresh produce grown right on the property as well as preserving crops to use in the future in a variety of ways.
She is passionate about supporting local organic farmers and producers, minimizing food waste, and finding imaginative ways to transform simple ingredients into extraordinary dishes.
Through her thoughtfully crafted menus and intimate culinary experiences, Julia celebrates the connection between food, wine, and the land, inviting guests to experience the authentic flavors of Sonoma County in fresh and unexpected ways.
Andy Rothbaum
National Sales Manager
With more than 25 years of experience in the wine industry, Andy brings a wealth of knowledge, enthusiasm, and a genuine passion for connecting people with exceptional wines to his role as National Sales Manager at Quivira Vineyards.
Throughout his career, Andy has held leadership roles across restaurant hospitality, wine distribution, and national sales, including positions with Jackson Family Wines and Winebow, where he served as Vice President of Portfolio Management. His extensive experience has given him a unique understanding of the wine industry, from the vineyard and winery to the restaurants, retailers, and customers who enjoy the finished wines.
At Quivira, Andy is passionate about sharing the story behind each bottle, building meaningful relationships, and introducing wine lovers across the country to the distinctive character of Dry Creek Valley. He takes particular pride in representing a winery with a longstanding commitment to organic farming, exceptional quality, and caring for the land.
For Andy, great wine is about more than what’s in the glass. It’s about the people, places, and experiences that bring us together.
Brian Mazzoli
Estate Manager | California Sales Manager
With a deep appreciation for agriculture, a passion for connecting people, and a hands-on approach to leadership, Brian Mazzoli brings a unique perspective to his role at Quivira Vineyards.
As Estate Manager, Brian oversees the care of Quivira’s vineyards and surrounding property, embracing the winery’s longstanding commitment to organic farming and responsible land stewardship. His close connection to the estate gives him an intimate understanding of the land, the vines, and the wines that make Quivira so special.
Beyond the vineyard, Brian serves as California Sales Manager and works closely with the national sales team to build relationships, expand direct outreach, and strengthen Quivira’s presence in the community and across the country.
Whether tending to the estate, connecting with customers, or sharing the story behind a bottle of Quivira wine, Brian brings an authentic passion for the land, the people, and the distinctive character of Dry Creek Valley.
Tessa Holmes
Estate Garden Guru
With a passion for organic gardening, seasonal abundance, and the beauty of growing things, Tessa Holmes brings creativity, knowledge, and a genuine love for the land to Quivira Vineyards.
Before joining Quivira, Tessa honed her skills at the renowned SingleThread Farm in Healdsburg, where the connection between thoughtful farming, exceptional ingredients, and world-class cuisine is celebrated every day. That experience continues to inspire her approach to cultivating Quivira’s vibrant estate gardens.
As Quivira’s Garden Guru, Tessa tends to an ever-changing collection of organically grown vegetables, herbs, flowers, and seasonal treasures. Working closely with the culinary team, she helps bring the garden directly to the table while sharing her knowledge and enthusiasm with guests through immersive garden experiences, seasonal workshops, and creative gatherings.
For Tessa, gardening is about more than growing beautiful things. It’s about caring for the land, embracing the seasons, and inspiring others to discover the simple joys of nature and all it provides.
