SAN FRANCISCO OSHA THAI EMBARCADERO NAPA VALLEY OSHA THAI NAPA Executive Chef Lalita Souksamlane OSHA THAI | OSHA THAI EXPRESSLAO TABLE | BANN AT OAK KNOLL NAPA Meet our fearless leader, Chef Lalita Souksamlane. Renowned California restauranteur, her award-winning Thai cuisine has been a San Francisco staple since the opening of her first restaurant in 1996.On