Knudsen Family

Page Knudsen CowlesPage Knudsen Cowles is an owner and the Managing Partner of Knudsen Vineyards.

She has led the family’s return to winemaking and oversees the management of Knudsen Vineyard and KV Wines. She has spearheaded a substantial replanting of Knudsen Vineyard over the last decade and manages our relationship with Argyle Winery. Page is deeply committed to supporting and promoting Oregon’s wine industry.

Page also serves as immediate past Chair of the National Board of Directors for the Trust for Public Land, the leading nonprofit working across America to conserve land for people.

Page possesses boundless energy. She has many interests and connects genuinely with friends and everyone she meets. She is a great steward of Knudsen Vineyard and a powerful advocate for land conservation.

She is a graduate of the Harvard Business School and Yale College. Page is married to Jay Cowles and they have three children.

Page is the only daughter of Cal and Julia Lee Knudsen.

Colin KnudsenColin R. Knudsen is an owner and Partner of Knudsen Vineyards. He is actively engaged in the family’s return to winemaking with particular oversight of financial, marketing and strategy aspects of the business.

A Pacific Northwest native, Colin loves spending time at the vineyard and at the “beach” in Oregon. The Knudsen family’s return to winemaking is a lifelong dream. He is a lover of wine, Pinot Noir in particular.

Colin is a 30-year veteran investment banker currently with BTIG, a leading global securities and investment banking firm. Colin was formerly with DLJ and Credit Suisse, and was a founder of boutique M&A firm Coady Diemar Partners. He specializes in providing M&A and corporate finance services to Technology, Media and Telecommunications (TMT) companies.

Colin is a graduate of Columbia Business School and Brown University. He is married to Rita McNally and has four children.

Colin is one of three sons of Cal and Julia Lee Knudsen.

David KnudsenDavid C. Knudsen is an owner and Partner of Knudsen Vineyards and is engaged in oversight of all operations.

David is also President and CEO of Ostrom Mushroom Farms. Founded in 1928, Ostrom is the largest mushroom grower and packer in the Pacific Northwest. In 2018, Ostrom broke ground on a new state-of-the-art mushroom farm in Sunnyside, WA where they look forward to operating and growing their business for many years to come. David has served on the American Mushroom Institute board since 2010.

David resides in Sunnyside with his wife Claudia Cannon and their two dogs.

David is a graduate of Wharton Business School and the University of Washington.

David is one of three sons of Cal and Julia Lee Knudsen.

Cal Knudsen, Jr.Calvert Conrad Knudsen is an owner and Partner of Knudsen Vineyards. Cal provides oversight related to the management of all operations of the vineyard and winery.

Cal has been active in the automotive parts delivery service business for 20 years. Cal’s love for sports of all kinds makes him an avid and incredibly well informed fan of all the local sports teams.

A native of Seattle, Washington, Cal has lived in the Pacific Northwest his entire life.

Cal is one of three sons of Cal and Julia Lee Knudsen.


headshot, nate klostermann


In 2005, Nate joined Argyle as a harvest intern. He was quickly promoted to enologist and then assistant to Rollin Soles, founding winemaker of Argyle. Nate was appointed Head Winemaker of Argyle Winery in March 2013.

Nate has a “hands on” approach to winemaking and works closely with José Sanchez with respect to the vineyard operations of Knudsen Vineyard.

Prior to joining Argyle, Nate worked at Falconer Vineyards in Minnesota and Petaluma Winery and Knappstein Enterprise Winery & Brewery, both in Australia.

Nate is a graduate of the University of Minnesota.


A wine industry veteran of 19 years, we welcomed Patty to the Knudsen Vineyards team in January 2020. Patty has helped to launch and grow Direct to Consumer sales for a few of the most premium wineries in the Willamette Valley, including Sokol Blosser, Bergstrom, Owen Roe and Lemelson. An Oregon native, Patty has a true passion for the Pacific Northwest and the future of our ever-changing wine community.

Patty holds an Associate of Arts degree in Fashion Design and continues to enjoy this passion through creative design at the workplace and home sewing projects. While Patty is not busy running around Knudsen Vineyards, she is happy to spend quality time playing tennis, kayaking and charades with her husband and young daughter.


Damian joined Knudsen Vineyards last spring as a Wine Ambassador, and was recently promoted to Hospitality and Staff Manager.

He joined us with more than 10 years in the food and beverage industries with a focus on luxury wine sales and service.

His experience includes years in fine dining with two as a Sommelier in New York City among Michelin starred restaurants. Following that, he joined the retail world with Bevmax, an East coast retail chain where he sold where he sold domestic and international brands first as a Wine Director and was promoted to a Buyer and management role.

Damian’s wine credentials include certifications in the WSET Level 2 program and Oregon Wine Expert. He is currently enrolled in WSET Level 3 with an anticipated completion in the fall of 2021.


Lauren’s background is a fusion of marketing and advertising, wine writing, and creative prowess. She has spent the past five years focused within the wine trade, complemented by ten years as a product manager in the mobile technology industry. She is Level III Certified through the Wine & Spirit Education Trust (WSET), and also holds a Certified Wine Professional (CWP) post-nominal certificate. She also holds a bachelors degree in Interactive Media Design from the University of Wisconsin-Stout.

Lauren joined Knudsen Vineyards as Marketing Coordinator in early 2018.


Sanchez started as a field worker at Knudsen Vineyard over 10 years ago. He has recently been promoted to Vineyard Manager.


Holstein started his viticulture career as Vineyard Manager at Knudsen Vineyards in 1980, and oversaw all of Argyle Winery’s vineyard properties as Senior Vineyard Manager for many years.

The Knudsen family is very grateful to Holstein for his careful stewardship of Knudsen Vineyard over nearly 4 decades. We wish him well in his retirement!