More than 400 solid-state lighting (SSL) technology leaders from the R&D community, lighting designers, and architects gathered in San Francisco, CA to participate in the "Transformations in Lighting" Solid-State Lighting Workshop on February 3-5, 2009. The workshop, hosted by the U.S. Department of Energy (DOE), was the sixth annual DOE meeting to accelerate SSL technology advances and guide market introduction of quality SSL products. The workshop brought together a diverse gathering of participants from industry, research organizations, universities, national laboratories, manufacturing, energy efficiency organizations, utilities, and municipalities to share insights, ideas, and updates on the rapidly evolving SSL market.