Use MCILS After Your Name
Chartered Members are entitled to use the post-nominal letters MCILS — signifying demonstrated expertise and professional standing in the Lean Six Sigma discipline.
Eligibility Criteria
Chartered Membership is awarded to experienced practitioners who meet these rigorous standards.
Lean Six Sigma Black Belt Certification or Lean Leader Certification (max 160 CPD pts)
OR Evidence of completion of a related Master's Degree where at least 160 hours of Lean Six Sigma coursework were covered (max 160 CPD pts)
Evidence of completion of a Master's Degree or Equivalent (max 30 CPD pts)
Post-qualifying experience in a related field practising Lean Six Sigma – minimum 3 years (max 15 CPD pts)
OR Work experience in a single or multiple roles practising Lean Six Sigma for 8 or more years (max 20 CPD pts)
Evidence of two completed Black Belt projects (mandatory — project storyboards required for items A1 and A2)
Minimum 200 CPD units total across all categories
Items within the same group (A or C) are alternatives — you must satisfy at least one from each group.
CPD Requirements
Chartered Membership applicants must provide evidence for a minimum of 200 CPD units. You must include item 1 or 2 (Group A), item 3 (Group B), and item 4 or 5 (Group C). Items 6–10 are optional additional CPD.
| # | How you can claim your CPDs | Max Points |
|---|---|---|
| 1 | Lean Six Sigma Black Belt Certification or Lean Leader Certification | 160 |
| 2 | Evidence of completion of a related Master's Degree where at least 160 hours of Lean Six Sigma coursework were covered. | 160 |
| 3 | Evidence of completion of a Master's Degree or Equivalent | 30 |
| 4 | Post-qualifying experience in a related field practising Lean Six Sigma – Minimum 3 years | 15 |
| 5 | Work Experience in a single or multiple roles practising Lean Six Sigma for 8 or more years | 20 |
| 6 | Publications in relation to Lean Six Sigma (Research papers, books or white papers) | 10 |
| 7 | Conference Presentation relating to Lean Six Sigma (As the main speaker) | 10 |
| 8 | FCILS Recommendation | 5 |
| 9 | Recommendation by your employer or a client | 5 |
| 10 | CPD units earned by attending CILS events | 20 |
| Minimum Required | 200 | |
Items 1–2 are Group A (must select one) · Item 3 is Group B (mandatory) · Items 4–5 are Group C (must select one) · Items 6–10 are optional additional CPD
Member Benefits
Everything included with your Chartered Membership.
Chartered Designation
Use the prestigious MCILS post-nominal letters in all professional contexts.
Mentor Programme
Access mentoring relationships with senior fellows and industry leaders.
Exclusive Events
Invitations to member-only conferences, roundtables, and networking events.
Voting Rights
Exercise your vote in institute governance and strategic decisions.
Annual Awards
Eligibility to submit and be judged for CILS Annual Excellence Awards.
Full Credentials
Chartered certificate, digital badge, and global directory listing.
Your Certificate & Badge
Upon successful admission, you will receive an official membership certificate and a verifiable digital badge to display your credentials with pride.
Membership certificate
Digital badge
Take the Next Step
Join the ranks of Chartered Lean Six Sigma professionals recognised worldwide for their expertise and leadership.