How to identify bottlenecks in production and projects

Philip Marris shares his experience on identifying bottlenecks in organizations

In this conference, Philip Marris, CEO of Marris Consulting, explains through many examples how companies are wrong in 80% of cases on the identification of their constraint.

Some "lessons learned":

  • Be careful of what your ERP tells you

  • New quality standards often generate new capacity constraints

  • Bad cost-cutting policies create bad bottlenecks

  • etc ...



To enhance your experience, Marris Consulting organizes training sessions on Theory Of Constraints applied to production and projects environments


Discover the training & registration

In the video, Philip shares his 25 years of field experience


In this video, Philip Marris shares his experience of over 25 years in the application of Theory Of Constraints and Lean in various companies around the world. He explains how companies can misidentify their bottlenecks, highlighting that management decisions, new technologies, budget cuts, and other factors can shift or create unexpected new bottlenecks.

Philip warns against excessive reliance on ERP systems to identify bottlenecks, emphasizing the importance of going to the field for an accurate assessment. He highlights the importance of keeping an updated view of current bottlenecks, pointing out factors that can influence their evolution. Using various examples from companies, he illustrates in this video how seemingly innocuous decisions can have a significant impact on the production chain, thus creating new bottlenecks.

Photo Portrait de Philip Marris

About Philip Marris


Philip Marris is the founder and CEO of Marris Consulting. He has assisted over 280 organizations throughout the world: Embraer, McDonald's, Louis Vuitton, Ariane (rockets), Procter & Gamble, Air France, Siemens, GSK, Safran, ArcelorMittal, SKF, Société Générale, Thales, Rolex, Veolia...


Nearly all the firm’s assignments are based on the Theory Of Constraints (TOC). Half are in production, the other half involve projects (Critical Chain Project Management). He is the author of the French bestselling TOC reference book « Le Management Par les Contraintes ». He often combines the Theory Of Constraints with Lean. He is active in increasing the awareness of TOC worldwide. He presents at over a dozen events every year. Marris Consulting’s YouTube channel, with its +300 videos is a well-known TOC resource.


He started his TOC journey in 1986 when he joined Creative Output France and started working with Eli Goldratt. Philip Marris started his career as a production engineer in the steel industry. Later he was responsible for the manufacturing operations in large consulting firms of over 1,000 people. He founded Marris Consulting in 2005. He has over 30 years of experience in industry and in consulting. He is English and is bilingual and bi-cultural. He lives in Paris, France.


Marris Consulting, expert in Theory of Constraints & Critical Chain Project Management


Marris Consulting is an expert in the Theory of Constraints (ToC) and Critical Chain Project Management (CCPM). As industry consultants, we are focused on helping process and manufacturing industries reach their highest levels of performance by using Constraints Management  combined with Lean and Six Sigma. We also use Critical Chain Project Management which we sometimes combine with Lean engineering to improve project performance. If you are unsure about the actions which need to be implemented to improve operational efficiency, our industrial management consultants can also conduct a performance audit. Furthermore, our experts host numerous Theory of Constraints (ToC), lean and project management training sessions throughout the year.

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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 & 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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