W San Francisco unveiled its new signature restaurant, TRACE, on September 5, 2011. TRACE is committed to fusing the vibrant, local personality of the Bay Area with a dedication to socially responsible food prepared from locally sourced and sustainable ingredients, led by Executive Chef Paul Piscopo and Executive Sous Chef Alaun Grimaud. Experience the pulse of the Bay Area Upstairs at W San Francisco and celebrate the region with local, organic, and sustainable offerings. Relax in secret spaces, mix, and mingle in Upstairs. Enjoy the highest quality cocktails and top shelf liquors, with eight seasonal and unique signature cocktails crafted to explore molecular gastronomy.