Patricia A. Stryker (born 1956/1957) is an American billionaire businessperson, philanthropist, and political activist. Stryker is the granddaughter of Homer Stryker, founder of Stryker Corporation, a medical technology company. Stryker bought Sonoma's Sommer Vineyards in 1999, which she rebuilt, replanted, and rechristened as Stryker Sonoma. It covers 32 acres (129,000 m²) in Alexander Valley, California, producer of classic vinifera varieties Bordeaux and Zinfandel. In May 2016, she sold the winery to focus on her foundation work. As of 2021, Stryker ranks #340 on the Forbes Women 400.