David Sinegal
David Sinegal Sr. is an American businessman and the owner of the Sinegal Estate Winery in St. Helena, California. David Sinegal is the son of James Sinegal, the founder and former CEO & President of Costco Wholesale. Sinegal, a former business executive, worked for Costco and Starbucks in Seattle, WA before moving to St. Helena, CA to start his winery.
Sinegal purchased his current winery in St. Helena, California in May 2013 for $20 million.
Sinegal, a Democrat, has been a donor to multiple Democratic politicians including Barack Obama, Hillary Clinton, and Patty Murray.
