Our people

Our team consists of energetic, professional and pragmatic project and programme managers and management consultants. Their strength lies in managing, resolving or advising on complex issues. Together, they form an experienced to highly experienced group of managers and consultants, combined with enthusiastic and ambitious young professionals.

How can our colleagues be characterized?
  • Academic level of working and thinking   
  • Backgrounds in business administration, economic fields or IT
  • Inherent leadership qualities and persuasiveness 
  • Team players and environmentally sensitive
  • Ambitious and emotionally intelligent
Some teammembers in the spotlight


Michiel Dijkman                      Marleen Sauerbreij                  Joep de Leeuw 

Michiel Dijkman – Programme manager

Michiel has worked at Bisnez Management as a programme manager since 2004. He started his career as an officer in the Royal Navy. Besides the officer and pilot training programmes, he has also completed several post-bachelor degrees in fields such as business administration and transition management.

In 2013, Michiel was one of the first programme managers in the Netherlands to earn the Program Management Professional (PgMP) certification from the Program Management Institute (PMI). In 2014, he was the sixth Dutch programme manager to earn the Certified Projects Director certification from the International Project Management Association (IPMA-A). He is a highly driven and experienced programme manager who is used to supervising highly trained professionals in dynamic environments. He excels at overseeing far-reaching changes and/or innovations. Clients describe Michiel as thoughtful, convincing and a natural leader.

Marleen Sauerbreij – Management consultant

Marleen has worked at Bisnez Management as an organization consultant and project manager since 2010. Marleen has a background in economics and extensive experience with process management and optimization in the public and private sectors. Marleen excels at analysing and optimizing processes in order to make them as “Lean” as possible. Her pragmatic and result-oriented methods help her create support for changes. On top of that, she has gained project management experience by working for a variety of organizations, which allows her to implement improvements in a plan-based, structured manner while keeping the environment in mind. Her enthusiasm, drive and commitment are instrumental in getting stalled projects and employees who are stuck in a rut moving again. Marleen has completed a variety of courses, including Lean Six Sigma, Prince2 and practical leadership.

Joep de Leeuw – Project manager

Joep has worked at Bisnez Management as a project manager since 2011. Joep is an (business) economist and can assist in a variety of projects, ranging from new developments, release-based projects and Proof of Concepts to infrastructural projects. Joep also has experience with project descriptions and consultancy. His strengths are involving and managing multiple parties and stakeholders and the (internal) supervision of project teams. Joep greatly values result orientation, but he is careful not to lose sight of the people behind the results. Joep is good at establishing contacts on all levels of a project. He is a hard worker who certainly contributes to a comfortable and result-oriented atmosphere within an organization.