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Our Team

We are a small family owned winery commited to producing quality wines and providing exceptional customer service from the moment you walk in the door.


Roger Gamache
Owner / Managing Partner/ Grower

Roger is the managing partner of the vineyard and winery operations. He has over 35 years of viticultural experince growing wine grapes in the Columbia Valley.  In 2003 Roger was awarded Grower of the year by WA Association of Winegrape Growers (WAWGG). In 2013 he was awarded the Industry Service award by WAWGG. Currently is a board member of the Washington Wine Industry Foundation.

Bob Gamache

Since 1982 Bob has worked alongside his brother Roger in planting the first winegrape blocks to building the winery from the ground up. As dedicated General Manager from 1998 to 2014, he has been commitmented to the quality of wine produced. As of January 2015, Bob retired to enjoy many hobbies such as; riding his motorcycle, golfing, fly fishing, and spending time with his children and grandchildren.

Jessica Gamache
General Manager

Jessica, Roger's daughter, joined the family winery in January 2015. She has worked in many aspects of the wine industry since 2006. Everything from launching new wineries to working in cellars. She is a WSU graduate with a B.A. in Business Administration and B.S in Psychology. Jessica also completed the WSU Enology Certificate program in 2011.

Jenalee Mariotti
Tasting Room Manager

Jenalee has a passion for the wine industry and customer service is her number one priority when you come to visit Gamache Vintners.  She can provide a variety of recommendations for any traveler that comes to visit.  Jenalee is a Central Washington graduate and you can find her volunteering with local performing arts organizations. Planning a visit to Prosser, WA? Contact Jenalee at 509.786.7800 (Opt. 2) or email:

Sarah PerezTasting Room Associate

You can find Sarah behind the scenes preparing wine orders and can see her friendly smile on the weekends in the tasting room. She is has a passion to learn more about the wine industry and has been with Gamache Vintners since 2012.