MomProof connects people who are building something with the people they would actually build it for. Both end up on this site, so there are two doors.
You have an idea, a product, or a thing you are about to build, and you need real conversations with the people who would use it. That is what MomProof does: see momproof.app for how a round works and what it costs.
A research consultant employed by MomProof wrote to you on LinkedIn on behalf of someone who is building something. Who they are, how you were found, whether anything is being sold, and how to end it are all at momproof.app/contacted.
Open studies you can join yourself are listed at momproof.app/studies, and the limits on how much outreach any one account sends are at momproof.app/safety.