Combining agile methods with stage-gate project management

@article{Karlstrm2005CombiningAM,
  title={Combining agile methods with stage-gate project management},
  author={Daniel Karlstr{\"o}m and Per Runeson},
  journal={IEEE Software},
  year={2005},
  volume={22},
  pages={43-49}
}
We encountered cultural changes and different management and engineering viewpoints in a study of three large software development organizations that started using agile methods. Case studies at three large software product companies show the benefits and pitfalls of integrating agile methods with stage-gate management models.