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Meet The Team


Diego Barison 


Diego has been an indispensable driving force in establishing the company as it is now. He was born and raised in a vineyard farming family in Calamandrana, Italy and began his career in growing grapevines at a young age. He attended the agriculture high school in Asti and in the year 2000, he started his own nursery in which he integrated innovative technology and began clonal selection in Piedmont vineyards. He received a degree in Agronomy from the University of Turin and completed a master’s thesis at the French ITV, Institute for the Research on Vineyard and Wine. As the new general manager of Herrick Grapevines, he hopes to continue learning innovative methods of grape growing. In addition to his work with the nursery, Diego has co-authored a reference book on viticulture named VITIBOOK.



Ofelia Hurtado 
Operational Administrator


Customer relations and operational administrator, Ofelia is essential to the enterprise of Herrick Grapevines. She grew up in a farming family in the Sacramento Valley of California and has a bachelor’s degree in Communications with a concentration in Public Relations and Marketing from Sacramento State University. Ofelia’s grapevine experience of almost 15 years brings a wealth of knowledge to the company. She has played important roles during her career that include sales, customer relations, production planning, grafting programs, and inventory control. Her easygoing capability of connecting with clients has gained her the respect of many in the industry.


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Jenna Nichol-Fitzgerald 


Jenna was born and raised in Northern California, just 10 miles North of our current operating location. Through her family and education, Jenna has always been involved in the agriculture industry—she graduated from Cal Poly, San Luis Obispo with a bachelor’s degree in Agricultural Business and went on to receive her master’s degree in Accounting from Texas A&M University. Prior to joining Herrick Grapevines, Jenna worked as a financial and sustainability consultant for numerous large agricultural operations throughout the United States, focusing on profitability, inventory and cost analysis. Jenna’s experiences throughout the agriculture industry and her technical training in accounting has prepared her well for her role with us.


John McKenna
North Coast/Lodi Sales Representative


John McKenna is Herrick Grapevines' North Coast Sales Representative.  John was born and raised in Sonoma, CA.  At a young age he was introduced to the rhythms and cycles of farming while helping his family with yearly responsibilities on the ranch and vineyard.  This is where John became fascinated by the annual growth cycles of grapevines and the challenges that arose with those cycles throughout the year.  John is a Fresno State graduate with a B.S. in Viticulture.  With experience in Grower Relations John has had the honor and privilege to meet and work with farmers, winemakers and many others throughout the wine industry. 


Todd Gerrow
Central Coast Sales Representative


Ryan Cosper 
Sales Representative


Ryan is a recent graduate from Fresno State University with a bachelor’s degree and passion in Agriculture Business. He grew up in Tulare County on his family’s farm and cattle ranch in the central valley. With his experience and background he is currently our in-house sales representative at our offices in Red Bluff California.

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