edit audio and create powerpoint presentation for a webinar

I`m looking for someone that can help me create a powerpoint presentation and edit the audio for a webinar, the webinar should be around 2 hours or so long, see attached files and send me a bid

I want the webinar to be kind of like this (the format) :
https://www.youtube.com/watch?v=KxCKFvg-YL4&t=5266s

This CRAP website won`t let me upload the audio file because it is over 25 MB

so please message me for more info