Rich in History
Bounded by Tradition

Notch Founders

Steeped in Mission-era history and Wild West mythology, Santa Margarita Ranch is today owned by three longtime local winegrowing and ranching families who are committed to advancing the land’s legacy of “early California rancho hospitality.”

Karl Wittstrom

Karl Wittstrom oversees the daily management and operations of Notch Winery. Karl is an entrepreneur, winegrower, rancher and longtime Paso Robles area resident who was raised amid his family’s ranching and farming business. Karl is a director of the California Mid State Fair in Paso Robles, and he is a member of the California Cattlemen’s Association, California Farm Bureau and a past director of the Paso Robles Wine Country Alliance. He oversees his own family vineyard and co-owns Margarita Vineyard and Notch Winery.

Doug Filipponi

Doug Filipponi is a longtime local winegrower and Paso Robles native who oversees all vineyard operations for Ancient Peaks Winery. Doug was named “Wine Industry Person of The Year” by his wine industry peers at the 2006 California Mid State Fair in Paso Robles. He is also the president of Filipponi & Thompson Drilling, a past president of the Paso Robles Wine Country Alliance, and a past chairman of the Paso Robles Wine Festival. Doug is co-owner of Margarita Vineyard and Ancient Peaks Winery.

Wine is all about the excitement and passion in the glass

Wine Concept
Great grapes give you the opportunity to make great wines; the distinct character of each Notch wine is sure to impress.

Wine is made of countless pieces. But if only one piece is missing, you will notice it! Enjoy!

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Arvin Sutedja is an entertainment strategist and producer. He has experience working across film, advertising & music productions, digital media, location-based entertainment, consumer products, and sports management. 


Prior to Katalis, Benny worked as a banker specializing in corporate banking in one of the international bank in Indonesia. He has interests in finance and is passionate about building businesses. He holds a bachelor’s degree in Finance from City University of Hong Kong.

Michael andrian

Michael Andrian is a creative technologist focusing on data and design. His studied technical art from the Academy of Art University San Francisco where he combines computer science and design thinking to create computer-generated simulation. Michael has worked with leading brands such as Lenovo, Telkomsel and Pond’s to name a few.