One thing that stood out for me from Mary Beard's lecture (the one posted above) is how the one subject that women are 'allowed' to stand up and talk about is women's issues. And it's true, there are so many women out there talking and writing about women's issues, and far fewer writing on the other stuff.
I'm also more aware of my voice at work - I try and sound assertive now, and it's been a real struggle to get there. I only manage to do it by putting on a 'professional persona', my husband and friends have expressed surprise at how confident and assured I sound if they've ever had a chance to encounter me in a professional context. So I don't think I keep up this confident assured act outside of work!
But, I don't try and go too far towards 'being male' at work. I actually managed to get my current job (male dominated tech industry) by being completely open in the interviews about how I prefer a more collaborative way of working, getting consensus before proceeding etc, all things that people associate with a female style of leadership.
When I was younger, I was often told that I should speak more in meetings. But I hated it because it seemed like meetings were just a way for some people to have a platform to get their voice heard, even if they had nothing useful to say. I didn't want to be another one speaking for the sake of it. In recent years though, I've been in many more meetings where the chair has deliberately asked me to speak (or other quiet people, men and women). I find this much easier, and a far better way of chairing a meeting - I feel like I get interrupted far less when someone has explicitly asked for my point of view.