„Operational excellence overall deals with the efficiency and optimization of individual processes [...] and continuous improvement [...] over a mostly long period throughout an operation [...]. Therefore operational excellence is rooted in different approaches like Lean Management, Six Sigma, [...] Business Process Management and continuous improvement or specific with the situation related processes [...]. Furthermore [...] operational excellence empowers employees by an atmosphere [...] within in company that triggers the accomplishment of optimal performance. This will lead to lower operational risks, lower operations cost as well as increased revenues [...] in addition to a more sustainable [...] customer satisfaction and loyalty.“ (Müller und Müller (2020), S. 78)