One Day Management is a programme-, project- and interim management organization, that knows that every day is important and that 'One Day' can make a difference.

Today might be a day you will always remember, if this is the first time you meet us.

One Day Management offers services of certified professionals to make your project, programme or business successful.

All One Day Management activities related to project management are carried out in partnership with Oppidum.

And the Best Practice Academy for all training activities.

News items:

Agile Retreat

November 19th, Leusden

Agile Workout - Agile Soap Factory

November 15th, Veenendaal


PRINCE2 Agile: new best practices coming soon!




Oppidum is a compact bureau staffed by a motivated and experienced group of professionals. We deliver a maximum return on investment for your organisation, through the application and improvement of project, programme, process and/or interim management. To deliver this, Oppidum uses internationally accepted and proven methods, such as:

  • PRINCE2® for project management
  • Managing Successful Programmes (MSP®) for the best approach to programme management
  • Project and Programme Sponsorship (PPS) for Senior Responsible Owners
  • P3O® for Portfolio, Programme and Project Support Offices
  • Management of Value (MoV™) - new since November 2010
  • Management of Portfolios (MoP™) - new since Februari 2011
  • We use the IPMA standard when focusing on individuals
  • CMMi for IT organizations
  • P3M3 for project management organization
  • Management constellations for systemic insight in your organization




+31 (0)6 50288086