WCBF’s 4th Annual Design for Six Sigma Conference 2009 WCBF’s 4th Annual Design for Six Sigma Conference 2009 is a unique conference addresses the high-level, forward-thinking issues regarding the role and future of DFSS for achieving process excellence and encouraging innovation in product development. Date : 09-02-2009 ~ 11-02-2009 Venue : Monte Lago Resort, Las Vegas, United States