Standard for Lean Six Sigma continues to be ISO 18404:2015

https://www.bitspec.com/forum/40-training-forum/487-iso-18404-2015-lean-six-sigma-lean-six-sigma-responsibilities.html#534

https://www.iso.org/obp/ui/en/#iso:std:iso:18404:ed-1:v1:en

This International Standard therefore sets out the separate competency requirements for Six Sigma and Lean implementation; it also sets out a combined competency framework for “Lean & Six Sigma”. In so doing, it focuses on the competencies (skills and abilities) to deliver benefits to an organization rather than defining the specific educational level required for each role.
Candidates will be expected to demonstrate that they have an adequate level of competence, an amalgamation of education, training, skills and experience necessary to fulfil their roles.

An interesting study was completed in 2021 regarding the viewpoint of the ISO 18404-2015 standard. Since the standard was issued in 2015, the question we ask is whether it will be updated.

Antony J, McDermott O, Sony M, Cudney EA, Snee RD, Hoerl RW (2021), "A study into the pros and cons of ISO 18404: viewpoints from leading academics and practitioners". The TQM Journal, Vol. 33 No. 8 pp. 1845–1866, doi: https://doi.org/10.1108/TQM-03-2021-0065