The group is open to partnership inquiries, business opportunities, and people who want to build. Open does not mean indiscriminate. The first conversation should be able to name the venture, the field, and the kind of collaboration being proposed.
Good partnerships survive contact with detail. They have a scope, a way of deciding, and a shared picture of what “good” will look like six months on. They do not need a public announcement to be real.
If you are writing to VAELIX, write plainly. Say who you are, which part of the portfolio you have in mind, and what you believe could be built together. That is enough to begin.