Clearly there are many more in senior positions than in the past. Women often learn quicker, perhaps because they have fewer ego problems. They sometimes start from a lower base in terms of confidence, but get much better faster. It's probably because of their better preparation. Men are greater chancers.
Women are better listeners, probably better learners.
It's usually a word of mouth recommendation. We've never had what you might call a failure. You could always go and be a lighthouse keeper I suppose. They are middle and senior managers, high net worth individuals, we've even had hereditary peers. The technology is sometimes used as a fig leaf to cover a lack of content.