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Alex Tjalsma

5 ways to manage complexity in your supply chain


Today’s supply chains have become extremely complex, and many businesses are struggling to cope. The good news is that much – if not most – of that complexity has been self-created. And if you can create something yourself, you can also stop creating it.

The Wheel of Five: Eliminate unnecessary variation in supply and demand


To help organizations recognize and effectively deal with good and bad variability, Involvation has developed the Wheel of Five for Supply Chain Management. This is the final part in the series of five articles about the Wheel of Five.

S&OP quite often the wrong horse


You won’t have missed it: S&OP is a trending topic. There’s no escaping it. If you’re not in, then you’re out! Right? Well, I would be the last person to deny that effective S&OP is essential to successful business. The question, however, is whether you are ready for it. Does your company meet the conditions of effective S&OP? Preventing...

The Wheel of Five: Absorb variation with stock and time


To help organizations recognize and effectively deal with good and bad variability, Involvation has developed the Wheel of Five for Supply Chain Management. This second in a series of five cases about the tool examines absorbing variation. Of the five principles in the Wheel of Five, ‘Absorb variation with stock and/or time’ is possibly the one...

The Wheel of Five: A Powerful Tool for Managing Supply Chain Complexity


To help organizations recognize and successfully deal with good and bad variability, Involvation has developed the Wheel of Five for Supply Chain Management. This article provides an introduction to the tool. In many boardrooms, the mantra is to improve service while reducing costs. That’s easier said than done, especially when forecasts are...

The Wheel of Five: Avoid overload by managing the workload


To help organizations recognize and effectively deal with good and bad variability, Involvation has developed the Wheel of Five for Supply Chain Management. Following on from the introduction, this article outlines the first case study illustrating a Wheel of Five guideline: ‘Avoid overload’. If it’s no longer possible to guarantee on-time...

Better planning in uncertain times


Supply chains are still upside down since the coronavirus outbreak. While a lot of products are almost impossible to get hold of, demand for many other products has declined and sometimes even completely evaporated.

Busting the myth of the bullwhip effect


It is a widespread misconception that the bullwhip effect is caused by irrational behaviour. In fact, it also occurs when planners react completely rationally. To prevent the bullwhip effect, you first need to understand what causes it.It is such a shame that the bullwhip effect is blamed on irrational behaviour. Moreover, it is not particularly...

This is Demand Driven SCM – Part 4


Part Three of this four-parter clarified exactly what DDSCM is and why you should want it. The only question that now remains is how DDSCM can help you in practice.

This is Demand Driven SCM – Part 3


In Part Two of this four-parter we zoomed in on the importance of the ‘moment of decision’. Preferably, we should make a decision early if the information is reliable at an early stage, and late if it doesn’t become reliable until later. This is not always the case in practice, however, which creates a ‘planning mismatch’. This planning mismatch...