hello, I'm a growth hack marketer and MBA growth and sales coach.

I'm not sure what your intent it, but I would assume that you are considering in doing this yourself. If that's the case then being a growth hacker would already know the answer. find the applicable interested parties, the websites where they congregate, venues, find out their interests, then find a single focus of need across these startups and promote your services to the world around them- hack your way in front of them. Use this a test to prove your GH abilities.