The Hydra Conference is almost here again: https://hydraconf.com/
This year the speaker lineup is even more impressive: https://hydraconf.com/2020/msk/people/
Maurice Herlihy is going to talk about Software Transactional Memory, and many more interesting talks.
It's going to be online-only, so anybody can attend.
You can buy your tickets here.
Here are some talks from last year to get you going.