The Team

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Ayla Z. Holstein

Owner & General Manager

Ayla is a native Oregonian, raised in Dundee and wife to Jackson Holstein. She studied Economics at Linfield College, however, shortly after graduation the opportunity presented itself to work in the wine industry as a harvest intern at Belle Pente Vineyard. Since then, Ayla has spent time working in international cellars and as the wine director for local restaurants all the while maintaining administrative and winemaking duties for Granville Wine Co. While growing the family wines, Ayla remains involved in her community through her service on numerous local community boards.

Jackson Holstein

Grower & Wine Maker

Jackson is the son of Allen and Sally Holstein and husband to Ayla Holstein. Having grown up on the Holstein vineyard, and amongst many current wine industry professionals, Jackson began learning the art and science of winemaking early on. After working in wineries and vineyards alongside his father growing up, Jackson attended Oregon State University where he studied Natural Resource Management & Ecology. Shortly after graduation, Jackson worked in local and international wine cellars before settling in as a Vineyard Manager for Advanced Vineyard Systems where he oversaw the operations of multiple sites in the Willamette Valley. After originally starting Granville Wine Co in 2014, Jackson eventually moved on from vineyard management to focus on his Granville full-time in 2016. 

Allen Holstein

Founder & Grower

Allen is the founder of the Holstein Vineyard and the father of Jackson Holstein. He first arrived in the Willamette Valley in 1978 to study horticulture at Oregon State University. Upon completing school, Allen first became vineyard manager for Dick Erath and subsequently spent the next 40 years as a vineyard manager while establishing the estate vineyards for Argyle, Stoller, and Domaine Drouhin Oregon. After retiring in 2017, he has settled into a less demanding role at Granville Wine Co as historian, part time grower, industry spokesman, and most importantly “Grandpa”.

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Toby & Yarra

These two are highly qualified and responsible for all rodent control and vineyard security. 

The History

My earliest memories are in the back of a pick-up truck, bouncing along rough vineyard roads, day after day in the gentle summer sun of the Willamette Valley. Even now, nothing makes me feel more at home than the familiar sights and smells of an Oregon vineyard during a busy harvest. A dedicated viticulturalist, my father exposed me to every aspect of his job. And like any kid, I created games out of my environment – hide-and-seek between vines and barrels and, to my father’s great displeasure, “chicken” with the slow-moving vineyard tractors. To keep me out of trouble, I was soon put to work.

 Allen Holstein and Jackson Holstein (1991)

Allen Holstein and Jackson Holstein (1991)

What once was a source of fun, trouble, and occasionally an allowance soon turned into a more formal seasonal job. I began working at Argyle Winery washing the grime off picking bins and working the bottling line. It wasn’t glamorous, but it paid for my growing love of cheap beer and the occasional date with my future wife, Ayla, when she would have me.

A fascination with wine and the art and science of wine-making began to grow. I bartered my way into a few bins of grapes from my family’s small 10-acre vineyard, and convinced a college instructor to let me experiment in his old moonshine barn. This fascination grew into a passion, and I found myself fully immersed in every aspect of wine making. After graduation, I spent several years managing vineyards and working in wine cellars oversees, all while maintaining my personal project that would eventually turn into Granville Wine Co.

After 35 years of growing Oregon wine, my father’s recent retirement opened the opportunity to lease my family’s vineyard – where quite literally this all began. Holstein Vineyard, just over the hill from my wife’s childhood home, is now the official home of Granville Wine Co.

Together Ayla and I have dedicated ourselves to developing a product and brand that represents all that we love about this special place. We are proud to make estate grown, hand crafted, soulful wines. 


Jackson & Ayla Holstein

The Vines

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The Holstein Vineyard is located at the top of the Dundee Hills at an elevation of 700 feet. Planted at high density in volcanic Jory clay soils with aspects to the west, east, and south. This site has produced top-shelf Pinot Noir for the likes of Argyle Winery, Arterberry Maresh, Purple Hands Winery, Walter Scott, and now Granville Wine Company. The vineyard is managed and operated by the Holstein family with generations of growing experience.