Well, I have made it to 70 without ever feeling I was invisible. Why do we need all these role models? I have been going my own way since childhood without feeling any need for them.
I studied economics, an almost totally male subject in the early 1960s, at a northern technical 90% male university and went on to make a career in predominantly male industries where I was usually the only woman above clerical level. I cannot once remember having or wanting a role model. In fact I really enjoyed challenging male/female stereotypes.
I am certainly not saying that at times I did not meet prejudice and discrimination, but I have yet to be invisible or need role models.
I must say that I often think women are their own worst enemies, they acquiesce by accepting invisibility instead of speaking up and ensuring they are seen and the lack of role models or any other minor difficulty is used as an excuse for doing nothing.