Critical Chain 2023 - TOCICO conference on Critical Chain

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Marris Consulting will present at Critical Chain 2023 International Conference

First presentation by Frédéric Grehal, Circor: Implementing Critical Chain to accelerate new products development in the aeronautical industry

Second presentation by Etienne Lecerf, Marris Consulting: Engineering To Order boosted by the Critical Chain approach


18-19 April 2023

This is the third international conference organized by the official global TOC community association dedicated to Critical Chain Project Management (TOCICO - Theory Of Constraints International Certification Organization).

Online, video on demand all day on the 18th of January. So no time zone constraints. Over 24 presentations by world class speakers.

Critical Chain has enabled thousands of projects to significantly and sustainably improve productivity.  Typical improvements:  25%-100% increase in productivity; durations -20-70%.  And, simultaneously, due-date hits 95% plus. So join us to learn about this approach now used by hundreds of organizations worldwide that enable your projects:

  • To finish on time and in less time

  • To finish within budget and at reduced cost

  • Without any compromise on quality or on initial specifications.


conference critical chain tocico 2023

Registration for this event is now possible. Free tickets for the first 1,000 registrations.


Find out more about the Theory Of Constraints International Certification Organization


Summary of Marris Consulting's conferences

Frédéric Grehal, Circor Implementing Critical Chain to accelerate new products development

Circor Aerospace & Defense’s on-time finish performance of new product development projects was not at the expected level. They suffered from projects finishing late, problems with specifications, silo phenomenon, and they were limited in their capacity to run projects in parallel by a capacity constraint in the Qualification Laboratory.

They decided to implement Critical Chain Project Management. They began with 3 pilot projects. During this pilot phase they increased the capacity of the bottleneck department. Associated project plannings have been reviewed and adjusted to be CCPM-compliant: the sequence of activities became more logical with realistic leadtimes and several optimisation measures to achieve the projects faster were identified and implemented.

They also changed and enhanced their management routines to facilitate the coordination & synchronisation between key actors. They introduced “Mascots” (remarkable objects that physically follow the Critical Chain during execution). This increased the coordination and enabled the work to be carried out in a more focused way.

The project durations were reduced, and the projects finished on time. The efficiency and throughput of the New Product Development also increased. Following the success of the pilot projects, they then rolled out the Critical Chain Way on their entire portfolio.

All these actions resulted in better managerial alignment, improved communication and better problem escalation within the project teams. It also provided Circor Aerospace & Defense with better, more challenging and more realistic, project schedules, and gave them much better visibility on the project’s progress.

Etienne Lecerf, Marris Consulting : Engineering To Order boosté par l'approche Chaîne Critique

Engineering To Order (ETO) companies design and manufacture customized products on demand; the process uses customer requirements to define, engineer, and validate a new design that will satisfy those requirements. In this type of business the lead times for customers is much longer than for standard products made to stock.

These long lead times are usually a problem for clients and there is always a lot of pressure to reduce them. Offering short lead times is a competitive advantage, and we will show how doing business the Critical Chain Way enables impressive increases in speed.

We will also show, based on many examples, the other significant positive impacts: big increases in productivity by identifying and better using the bottleneck resources, much better visibility throughout the organization by using the emblematic Fever Chart, better quality of life for the actors, and greatly improved honoring of the promised end dates.

We will also discuss the main problems faced by these organizations, how intricate they are, and how to solve them.

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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 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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