‘Joppe van Berkum worked for us in 2017 and 2018 as a program manager for realizing one of our strategic initiatives. He has led the design and implementation of a European organization for bicycle parts and accessories. This process has been very successful. Joppe knows how to create speed, to create involvement and is not afraid to roll up his sleeves on a wide range of working areas. He is able to communicate in the right way with all layers in our organization. Joppe is a professional with an extremely pleasant personality.’

Jeroen Snijders Blok | Chief Operating Officer | Accell Group


‘Joppe van Berkum helped us during a period of ‘heavy weather’ to define and implement a strategic program aimed at improving customer excellence, operational processes and internal cooperation. I got to know Joppe as a committed and driven specialist in implementing change.’

Rene Mandos | Chief Operating Officer | Aon


‘Joppe van Berkum has developed a TNO-specific improvement methodology and, based on this methodology, helped a large number of departments with specific improvement projects. For Healthy Living, Joppe, together with us, has streamlined the commercial process. In particular the introduction of a rhythm of accountability and a number of practical tools have significantly increased our commercial strength.’

Peter van Dijken | Managing Director Healthy Living | TNO


‘Joppe is a very pleasant personality to work with. He can listen well, has a sense of the company's culture and helps to bring about the desired change. He knows how to combine content and context very well. We have worked together in a project at Vitens, where we have had the organization take the first steps in process-oriented work and thinking. I as line responsible with fantastic support and guidance from Joppe’

Jennifer Rietveld | Manager Network and Delivery | Vitens


‘Joppe van Berkum was instrumental in supporting BDR Thermea design and implement a methodology for New Product Development which was successfully launched across the entire group. Joppe orchestrated the project along with an international team from BDR Thermea, were he meticulously managed progress and contributed to wide ranging discussions using his knowledge and experience. It was a pleasure working with Joppe and the whole implementation team appreciated his commitment, enthusiasm and attention to detail.’

Steve Gorrel | Lean Development Director | BDR Thermea