We have an awesome advisory board at SmartHippo and I often get asked how we set it up and how we leverage the people on it. If you run a startup, particularly if you're early stage, a good advisory board can be one of the best investments you can make.
The article presents some good tips for how to go about this. I disagree with directly approaching potential advisors and just asking them outright. It's better to engage with the potential advisor over a period of weeks or months, progressively getting them drawn further into the startup, before popping the question.