Yellow and Green Belt classes are offered as part of SDPBC's continuous improvement journey. These classes are based on concepts from Lean and Six Sigma which provide valuable tools for improvement, and are great additions to a resume. SDPBC's Six Sigma certifications include Lean components. Six Sigma's focus on quality complements Lean techniques focused on efficiencies; and, when combined, these skills promote operational excellence. If you are interested in improving processes and minimizing inefficiencies from every angle, Six Sigma certification will ensure that you have the skills to succeed.