Which Six Sigma role is responsible for leading improvement projects?

The Black Belt role is specifically designed for individuals who are responsible for leading improvement projects within an organization. Black Belts possess a deep understanding of Six Sigma principles and methodologies, enabling them to facilitate complex projects and drive organizational change. They are typically tasked with managing teams, coordinating project activities, and ensuring the successful execution of improvement initiatives. This role requires a significant commitment to project leadership and often involves mentoring Green Belts and Yellow Belts, as well as providing guidance throughout the project lifecycle.

While Green Belts also participate in improvement projects, they generally work on smaller projects or as team members under the guidance of Black Belts. Yellow Belts support project teams but typically do not lead projects on their own. Master Black Belts focus on strategic deployment of Six Sigma and coaching other belts, but the direct leadership of projects is primarily the responsibility of Black Belts. This delineation of roles ensures that projects are effectively led by individuals with the appropriate level of expertise and leadership capability.