Theory Of Constraints International Annual Congress for the first time in France

22 - 24 June 2020, Paris

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Training: ToC + Lean in Paris 

Using TOC to boost your Lean programme
Next sessions:

19th of March 2020 (Fr)

12th of May 2020 (En)

Integrate ToC into your Lean programme.

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Training: Critical Chain Project Management

Next session:

13th of May 2020 (En)
21st of October 2020 (Fr)

Dare to finish all your projects on time!

Training description & registration

Offer: 2-Day Flash Diagnosis

Would you like our expert advice on how to go faster and further? 

We can help you to quickly identify the best levers to improve performance

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Logical Thinking Process Training

by Bill Dettmer, 10th to 17th of June 2020, in Paris

LTP uses sound logic and a processe to provide executives with an effective method for designing organizational strategy, planning its deployment, evaluating ...

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Video of LTP definition & training benefits



Philip Marris interviewed by La Tribune, Paroles d'Experts

The Theory of Constraints to constantly improve performance

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Find all the videos of Marris Consulting on our Youtube Channel

Conferences, customers testimonies, trainings, etc...

Youtube Marris Consulting


Theory Of Constraints International Annual Congress for the first time in France

22 - 24 June 2020, Paris

More Infos

Welcome to the Marris Consulting website, a company focused on improving significantly and sustainably the performance of manufacturing and process industries

We have over 25 years of experience of combining the Theory of Constraints (ToC) with Lean to go faster and further: 1 + 1 = 3

We help our clients reach and maintain ambitious levels of performance by combining actions on processes, organization, methodologies, tools … and people from the shop floor to the board room.

We are recognized experts in Constraints Management. We promote an integrated approach that combines Theory of Constraints (ToC) to identify where to act and Lean and Six Sigma to improve performance.

We also use ToC's Critical Chain Project Management (CCPM) approach to boost project performance. We sometimes combine this with Lean Engineering (a.k.a Toyota New Product and Process Development System).

Our Supply Chain projects usually involve Demand Driven MRP (DDMRP).

Philip Marris, author of the french book "Le Management par les contraintes" is the founder and CEO of Marris Consulting.

Our motto: Factories, People & Results. 

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