I found this answer on the "about" page.

"Who are we? Who sees your information? We are an independent, venture-capital backed startup (called MyHealthTeams) based in San Francisco, working hard on a mission we love. All of the features on the site are designed with one goal in mind; to connect you with others who have been in your shoes. Today with hundreds of thousands of members, millions of conversations, and a presence in eight countries, MyHealthTeams has become the fastest growing and most engaging set of social networks for web and mobile apps in healthcare. MyFibroTeam should not only provide you emotional support through the social network, but also be a resource for practical tips, personal experiences, and even referrals to other great doctors from the community. Information shared on the site can be seen by everyone who signs up for am account, but that is it. You can share as much or as little as you like. On occasion, we will partner with a pharmaceutical company or university if we believe it will benefit our members. We do not allow them on the site, and any information that we share with them is completely anonymized. Please know that anytime we do a partnership or research - we will always let you know and we will be completely transparent about it. We will always respect and protect your privacy. Most important, we will continue to look for ways to empower people on MyFibroTeam and on the other social networks we've launched. You can check out a complete listing of all our sites on www.MyHealthTeams.com. If you ever have any concerns or questions, we can always be reached at [[email: [[email: (Email address can only be seen by the question and answer creators) (You can always read our privacy policy here for more detail on your information: https://www.myfibroteam.com/about/privacy)
MyFibroTeam is a social network and online support group for people who are living with fibromyalgia. MyFibroTeam gives you the easiest way to find the best team of providers and peers who are living with fibromyalgia. Share with others like you, and learn from their experience."

I dunno. I looked a little bit before jumping in, because as we get comfy we tend to provide a lot of medical info to be "mined". But eventually I decided that if I were drowning and alone and a boat pulled up and tossed a life preserver, I would not refuse it.
So I jumped in, and have been pretty glad I did!

Some kind moderator sent me a link on my page to people living near my hometown in Chesterfield. I thought how sweet 👌💗

Same here. Just stumbled onto it one night when I couldn't sleep.

RevSue. ..me too x