Our different online courses on operational excellence key topics

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Marris Consulting's Online Training Courses


Discover the different online courses we have on:
Theory Of Constraints, Lean and Critical Chain Project Management.

Marris Consulting is a consulting and training company focused on significantly and sustainably improving the performance of manufacturing and process industries.




Theory of Constraints
applied in Production

Formation TOC Online


Training designed for anyone wishing to increase production volumes, reduce production cycle times, improve adherence to deadlines, etc. Learn how to generate growth and boost an factory's Lean movement by injecting Theory of Constraints.

Here are some key questions to ignite your curiosity:

  • How are the production cycle times and the level of work-in-progress in production workshops related?

  • What do we mean by constraint, critical resource, or bottleneck? How does this impact your operational performance? How do you identify it?

  • How can Lean and Theory of Constraints coexist within the same factory, and in what ways are these two approaches complementary?

Learn more

Critical Chain Project Management

Critical Chain Project Management online training


Training for anyone who wants to finish their projects on time, faster, on scope and on budget. Learn how to schedule and manage projects and portfolio of projects the Critical Chain way and benefit from our experience and lessons learnt from hundreds of assignments.

Here are some key questions to ignite your curiosity:

  • What fundamental principles distinguish Critical Chain Project Management from other project management approaches?

  • How can you apply Critical Chain Project Management to optimize project schedules and resource allocation?

  • What are the proven techniques and strategies used in Critical Chain Project Management to minimize project delays and maximize efficiency?

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Good Lean Bad Lean

Good Lean Bad Lean online training


Training to understand what true "Good Lean" (the "Toyota Way") is, and how to implement it and reach their level of performance, thanks to the expertise of the ex-Vice President of Manufacturing of Toyota Motor Manufacturing France (TMMF).

Here are some questions to get you started:

  • What are the differences between good and bad approaches to Lean implementation?

  • How can you apply valuable "Good Lean" insights and practical knowledge to your own work environment? How do you adapt them if you don't make cars?

  • What potential pitfalls should you be aware of to ensure a successful Lean implementation or reboot?

Learn more

The Logical Thinking Process (videos + 6h of coaching)



This training program aims to equip you with the skills needed to utilize the Logical Thinking Process, an effective systems-based approach to solving complex problems.

Additionally, the package includes six hours of coaching sessions facilitated by Bill Dettmer and Thortseinn Siglaugsson (eight on-demand sessions of 45 minutes each) to be used over 12 months.

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The Logical Thinking Process

(videos only)



Are you interested in mastering the Logical Thinking Process and improving your problem-solving skills? Our training program, consisting of 9 chapters, can equip you with the necessary fundamentals to tackle even the most intricate issues with ease.

Don't miss out on this opportunity to immerse yourself in the realm of LTP. You will have access to the training for 12 months.

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Critical Chain

Food For Thought

Food For Thought

A free collection of articles, documents and tools on the Critical Chain Project Management approach to provide you with food for thoughts and additional ideas.


Free download


Logical Thinking Process

Food for Thoughts

Food For Thoughts LTP

Free resources that relate to the Logical Thinking Process, including articles, documents, and tools that can inspire you with Food for Thoughts and provide additional ideas.


About Marris Consulting

Marris Consulting is an industry consulting and training company specialized in the Theory of Constraints (ToC) and Critical Chain Project Management. We focus on improving the performance of manufacturing and process industries by using Constraints Management combined with Lean and Six Sigma. To boost project performance, we also use Critical Chain Project Management (CCPM), which we sometimes combine with Lean Engineering. Our 2-day performance audits, our performance consulting services and our project management, Lean, ToC & CCPM training by our industry consultants offer a wide range of solutions to help our clients around the world reach the highest possible levels of performance.

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