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Lean Six Sigma International, John Dennis Chairman ILSSI

 About Us

The ILSSI was founded as a partnership for greater understanding and standardization between Lean Six Sigma professionals the UK, Switzerland, EU, USA and the Middle-East with a focus on providing International standards for both Lean and Six Sigma principles, tools and techniques.

Today it is also renowned for its training and certification programs as well as its auditing and consulting services.

Education is central to ILSSI activities. The institute's training and certification programs are divided by global region.   We have Lean Six Sigma Master Black Belts providing consulting and training services in  South East Asia, the Middle-East, Africa, North America, South America and Europe.    The institute's corporate advisory arm offers strategic advice as well as project analysis and guidance to both commercial and not-for-profit clients.

Dr Salman Al-Mishari_website
John Dennis ILSSI

Dr Salman Al Mishari

Director, Oil and Gas

Saudi Arabia

Aleksandr Sidorec

Board Member


John Dennis


United Kingdom

Miguel Araujo Lean Six Sigma
Chris Alcock Lean Six Sigma Black Belt

Anna Grabiec

Director,Eastern Europe

Miguel Araujo

Director, Portugal

Chris Alcock

Director, UK

Jiju Antony Lean Six Sigma iLSSi
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ILSSI Kola Olutimehin Lean Six Sigma

Professor Jiju Antony

Executive Consultant

Paul Allen

Master Black Belt Coach

Kola Olutimehin

Director, Africa

Alireza Shokri (2)
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Siu Wai Au

SE Asia  优思学院

Dr. Alireza Shokri

Northumbria University

Adam L. Bowden MBB

Kaizen Coach


David Annoni

Director, North America

Fabio D'agostino

Fabo D'Agostino

Consultant Bio-Tech

Marc Lecoultre b-w

Marc Lecoultre

Expert in AI & Data Science

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Louis Edaki

Director, Nigeria


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Salah Mabrouk

Director, North Africa


Rocco Imperatore

Crossnova, Italy

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