Contact
Tell me where you are
A sentence or two is enough to start. If there is a deadline it helps to know it, and if there is not, wanting this in hand is reason enough to write. If I am not the right fit for what you need, I will say so and point you towards someone who is.
By email
This reaches me directly. The address is assembled in your browser rather than printed in the page, which keeps it out of the way of the machines that read pages looking for addresses to sell.