The way I have found works best to get very good advisors in the past is to reach out to other entrepreneurs who have already done what you want to do very successfully, or at least something very similar. I simply start scouring LinkedIn to find the best entrepreneurs who have done something similar to what I have done and I message them asking for 5 minutes of their time. Basically all I do is ask for 5 minutes of their time for some advice on a new business you want to start. Then, once I get on the phone with them, I ask all of the questions I want answered. If they seem like a good person and like they want to help you, then I flat out ask them if they would be interested in becoming an equity advisor.
An equity advisor is someone who gives you 4 hours per month (1 hour per week) to literally be a part of your team and collaborate on a weekly call or meeting. In exchange, they get about 1% of equity.
If you have any questions or want to know about some of the other ways I find quality advisors, just message me and I'll share my experience with you.
I also recommend to check out the reviews on my Clarity profile to see that my calls and advice are extremely helpful.
I look forward to speaking with you!