Tor.com has a fantastic animation up for Ada Lovelace Day:I don't have anything to add; honestly, my role models have been male. There are many technical women I admire, and they have been duly written-up elsewhere for this created holiday. See for example this, this, this, this, this, or this. Or this entire webcomic devoted to Ada Lovelace.
This post's featured comic is from A Softer World: