Sonoma State University's Wine Business Institute has named three new members to its board of directors who all hail from Napa.

Alex Ryan, president and CEO of Duckhorn Wine Co. in St. Helena; Ning Zhang, proprietor of Purlieu Wines in St. Helena; and Erle Martin, president and CEO of Crimson Wine Group of Napa have joined the board.

"Each new member is the leader of their respective wine companies, so they've seen everything," said Ray Johnson, director of the Wine Business Institute, in a statement.

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