There are always questions asked about the various levels of certification and the roles and function of those individuals within organizations. Each level has a specific role in the ongoing LEAN journey. Let’s explore those roles.
Yellow Belt. This is generally the introductory level to LEAN. Individuals at this level have an awareness of LEAN. They understand the principles of LEAN and how they should be applied. Yellow Belts are aware of various LEAN tools but are not proficient in their use or application. They understand the process and have a valuable role as process checkers. They ensure teams are following process and that all toll gates are passed when conducting kaizen events. Yellow belt training can generally be conducted in a day.
Green Belt. This is the real working level certification in LEAN. It is the second stage in the certification process. Yellow belts are trained in LEAN tools and their application and use. The focus, in terms of the organization, is departmental. As part of their extensive training, they assist Green or Black Belts in the implementation of LEAN, help conduct kaizen events, help departments with gemba walks and gemba boards and under supervision, conduct both counter measures and kaizen events, In order to certify as a Green Belt, the candidate must conduct a kaizen event and report out the results. Because of the volume of material and practical training involved, the Green Belt classroom training can be done in two to three days with an additional 6 to 8 weeks of practical experience under a Green Belt that includes conducting a kaizen event for their certification.
Black Belt. This is the highest level of certification in LEAN. The focus here is organizational. A Green Belt, with extensive experience, is trained in tools that allow them to interrelate and coordinate all the activities of the organization. Their value is their ability to take the strategic goals of their organization and turn them into specific, measurable departmental goals that drive the success of the strategic plan. Black Belts receive intensive training that including 10 days of classroom training and the completion of a high level, high value project that is peer reviewed by experienced Black Belts. They serve as the LEAN coordinators for the organization, reviewing the work of the Green Belts and monitoring progress. They are involved In high level kaizen events.