Keiro Senior HealthCare will hold its 50th anniversary celebration at 11:30 a.m. at the Pasadena Convention Center, Exhibit Hall A, 300 East Green St. in Pasadena, Calif. The luncheon will celebrate Keiro’s history, as well as serve as a reunion. In conjunction with the celebration, Keiro will hold a free, one-day Expo that will feature informative presentations, cooking demonstrations, fitness and dance demonstrations, a wine and sake tasting, a community bookshop and more than 80 exhibitors to nurture an “active, healthy lifestyle.” The expo will take place from 9 a.m. to 4 p.m. Info: www.keiro.org/50th-anniversary-luncheon or www.keiro.org/genki-living-expo.