There are questions in a form that I'd fill out like: how well I know this person, how well I know their work, etc. For you, I would need to answer "don't know

There are questions in a form that I'd fill out like: how well I know this person, how well I know their work, etc. For you, I would need to answer "don't know" for all of these. Having a strong github would go a long way in making it possible to answer one of those with with something other than don't know. Basically you need something more tangible than a resume for a stranger to go out on a limb for you.