John Buechsenstein has been a winemaker and wine educator for more than 30 years. He has extensive experience making wine in the Napa Valley and other wine growing regions of the California coast. Buechsenstein's passion for wine has taken him to the wine regions of Bordeaux, Champagne, Paris and Rhone Valley in France

Jill Davis has been making wine professionally in Sonoma County and the Napa valley for the past 25 years at wineries ranging in size from 500 cases to 200,000 cases. She holds a degree in Fermentation Science from UC Davis. Her wines are widely respected and have received many awards. Throughout her career she has been a frequent lecturer on wine and wine production.

Nichola Hall is currently a staff scientist for Scott Laboratories in Petaluma, Calif., and a co-winemaker for Mathew Bruno Wines in Rutherford, Calif. She earned her undergraduate degree in microbial biotechnology and a Ph.D. in yeast physiology and fermentation science from the University of Abertay Dundee. Read more

Pat Henderson is the owner/proprietor of About Wine Consulting and has a degree in fermentation science from UC Davis. Read more

Hildegarde Heymann is a professor in the Department of Viticulture and Enology at UC Davis.

John Katchmer is an enologist with 30 years of experience in the wine industry. As an enologist with Enartis, Katchmer’s responsibilities included overseeing the fining department, sensory evaluation, ensuring the enological veracity of work in the laboratory and wine problem solving. He has an M.S. in Food Science with an emphasis in enology from UC Davis and is a member of both the American and Australian Society of Enology and Viticulture. He teaches Wine Stability and Sensory Analysis in the Winemaking Certificate Program.

Kaan Kurtural is an associate Cooperative Extension specialist in viticulture with the Department of Viticulture and Enology at UC Davis. He is headquartered at the department’s Oakville Station, a 40-acre research vineyard in Napa Valley. Kurtural received his Ph.D. in plant biology from Southern Illinois University Carbondale. He was an associate professor in viticulture and enology at Fresno State before joining the UC Davis faculty in 2015. Kurtural teaches Viticulture for Winemakers in the Winemaking Certificate Program. Read more

Kristin Lowe, Ph.D., is the owner of Vine Balance Consulting. She previously worked for a Napa-based consulting company, assisting growers with pest management, fertilization, irrigation, viticulture practices, and vineyard development plans.

Bryan Parker, Ph.D., has been the winemaker at Alderbrook Winery since 2003. He previously held winery positions at Harford Court Winery as a harvest intern, Beringer Vineyards as research enologist and Pine Ridge Winery as assistant winemaker. Parker has also served on several committees, including those for Unified Symposium and American Vineyard Foundation.

Grady Wann, Ph.D., is the program director for the Winemaking Certificate Program. He has previously taught courses on the chemistry of winemaking and organic chemistry. Wann spent 25 years working in the wine industry as a research enologist, winemaker, winery manager and consultant before joining UC Davis Continuing and Professional Education in 2008.


If you have a question about the content of the courses or how to proceed through the program, please feel free to send an email or call (530) 757-8899.