SPF 50, real name Stephan Kimbel Olson, is a resident of the longstanding Bob & Shirley party, runs the Professional Music label, and has graced New York’s finest sound systems with his deep, rolling club sets. In his numerous roles - DJ, engineer, party promoter, label head, producer and dancer - Stephan has become an essential contributor to the city's nightlife culture, a fixture in our extended sonic community. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.