Mason Groben (Winemaker)- Mason is responsible for wine production, as well as promotion and general marketing activities for the winery.  He has a degree in Viticulture and Enology (grape growing and wine science) from the University of California, Davis.  Additionally, he has work experience at wineries in Sonoma, New York, New Zealand and Australia, and 10 years of involvement in the craft beer industry.  Mason is committed to using his diverse experiences to create unique and innovative wine products. 
Sydney Tallman (Events Coordinator)- Sydney coordinates all weddings and events at the winery.  She has a degree in Event Management from Iowa State University, event management experience at Marriott, and has done bridal work in New York.  She is usually found pouring wine and chatting with winery visitors.
Sadie Thiele (Tasting Room Manager)- Sadie oversees all aspects of our tasting room operations and wine club.  She has a degree in Event Management from Iowa State University, and assists with events at the winery.  You can find Sadie in our tasting room, happy to talk Iowa wine and book your next tasting.
Brian Congdon (Sales Rep)- Brian handles sales and delivery of Jasper Winery products to retail and restaurant accounts that carry our wine.  He is also a talented musician, and performs often at the winery and at many other venues around the state.
Penny (Winery Pup)- Penny often "works" on Fridays, and enjoys greeting guests.  At the winery, her favorite things are cheese and belly scratches.