The interview started with the standard Stryker phone interview involving the gallup section that Stryker is known for as well as phone interviews with HR and a senior level engineer. I was told rather quickly after my phone interviews that I was accepted onto the next phase which included an on site interview. The one site interview was very fast and lasted only 4 hours total. Of that time, questions were directed at my background and experience for maybe 15 minutes. Everything else was focused on problem solving, group dynamics, and presentation skills. Because of this, the in person interview is almost impossible to train for. I would practice brainstorming activities and focus on timing your calculations and presenting your results at the end in preparations. Definately one of the most challenging interviews I had, but it was also interesting and fun.