I consider myself a decent speaker. I've had my better moments (and ones I'd rather forget), but I wouldn't call public speaking one of my natural ...
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Thank you for that.
I would love to speak at some event and try to share my knowledge at it could be benefit to other people.
Nevertheless, I don't from where to start?
I think that meetup events can be a good start. But for the next step, I don't know where to start?
Maybe it is different in Europe and the US.
I definitely recommend starting at a local meetup. Some meetups like the one I run in Orlando have lightning talks, where you can get up and talk about anything for 5 minutes...this is a great way to "break the ice" for a new speaker.
As for the next event, it really depends on the area you focus on and what types of conferences there are. I personally wouldn't jump to a major conference as a first timer - though a lot of these conferences do make room for first time speakers. I prefer to give myself the opportunity to screw up the first time without much consequence 😉 Perhaps there are some smaller community/regional conferences in your field...those could be great first conference speaking opportunities.
Thanks for the advice.
It's true indeed to first "practice" into "smaller" conferences before jumping into the deep end.