Public speaking. I started an internal diversity group based on (what I thought would be) a less popular diversity strand and wanted to get better at public spe

Public speaking. I started an internal diversity group based on (what I thought would be) a less popular diversity strand and wanted to get better at public speaking and presenting to do the topic justice. So, I joined Toastmasters. Went along for a few taster sessions and signed up. Quite apart from improving my speaking skills it's actually a lot of fun. I'd recommend it.